Friday, 30 August 2019

File download in CORE(2.1) & MVC6

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.Rendering;
using WebApplication1.Models;

namespace WebApplication1.Controllers
{
    public class JagannathController : Controller
    {
        private readonly IRepository<JBS> JRepository;
        private readonly IHostingEnvironment hostingEnvironment;
        public JagannathController(IRepository<JBS> jRepository, IHostingEnvironment HostingEnvironment)
        {
            this.JRepository = jRepository;
            this.hostingEnvironment = HostingEnvironment;
        }
       
        [HttpGet]
        public IActionResult down()
        {
            string Filename = "173f561f-a204-425a-a77d-7ca0acdd0c79_HPSM.png";
            string downloadFolder = string.Empty;
            downloadFolder = Path.Combine(hostingEnvironment.WebRootPath, @"images\");
            byte[] fileBytes = System.IO.File.ReadAllBytes(downloadFolder + Filename);
            return File(fileBytes, System.Net.Mime.MediaTypeNames.Application.Octet, Filename);
        }
    }
}

Autocomplete drop down with multiselect in CORE(2.1) & MVC6


View Model :

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc.Rendering;
using System.ComponentModel.DataAnnotations;

namespace WebApplication1.Models
{
    public class Testvm
    {
        [Display(Name ="COUNTRY")]
        public List<int> LID { get; set; }
        public List<SelectListItem> COUNTRY { get; set; }
    }
}

Controller :

[HttpGet]
        public IActionResult Test()
        {
            Testvm vm = new Testvm();
            vm.COUNTRY = JRepository.Gets().Select(m => new SelectListItem { Value=m.JID.ToString(), Text=m.NAME }).ToList();
            return View(vm);
        }
        [HttpPost]
        public IActionResult Test(Testvm vm)
        {
            return View();
        }

View :

@model WebApplication1.Models.Testvm

@{
    ViewData["Title"] = "Test";
}


<form class="form-horizontal" asp-action="Test" style="margin-top:20px">
    <div class="form-group">
        <label class="control-label col-lg-4" asp-for="LID"></label>
        <div class="col-lg-4">
            <select  asp-for="LID" multiple asp-items="Model.COUNTRY" class="form-control">
                
            </select>
        </div>
    </div>
    <div class="form-group">
        <label class="control-label col-lg-4"></label>
        <div class="col-lg-4">
            <input type="submit" value="Save" class="btn btn-primary" />
        </div>
    </div>
</form>

<div>
    <a asp-action="Index">Back to List</a>
</div>

@section Scripts {
    @{await Html.RenderPartialAsync("_ValidationScriptsPartial");}
    <script type="text/javascript">
    $(function () {  
      $('#LID').chosen();
    });
    </script>
Reset Dropdown Code :

$('#LID').val('').trigger('chosen:updated');
}


Layout View :

<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>@ViewData["Title"] - WebApplication1</title>

    <environment include="Development">
        <link href="~/css/jquery-ui.css" rel="stylesheet" />
        <link rel="stylesheet" href="~/css/site.css" />
        <link href="~/css/DataTables/css/jquery.dataTables.css" rel="stylesheet" />
        <link href="~/css/DataTables/css/jquery.dataTables_themeroller.css" rel="stylesheet" />
        <link href="~/css/jquery.multiselect.css" rel="stylesheet" />
        <link rel="stylesheet" href="~/lib/bootstrap/dist/css/bootstrap.css" />
        <link href="~/css/bootstrap-multiselect.css" rel="stylesheet" />
        <link href="~/css/chosen.css" rel="stylesheet" />
    </environment>
    <environment exclude="Development">
        <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/3.4.1/css/bootstrap.min.css"
              asp-fallback-href="~/lib/bootstrap/dist/css/bootstrap.min.css"
              asp-fallback-test-class="sr-only" asp-fallback-test-property="position" asp-fallback-test-value="absolute" />
        <link rel="stylesheet" href="~/css/site.min.css" asp-append-version="true" />
    </environment>
</head>
<body>
    <nav class="navbar navbar-inverse navbar-fixed-top">
        <div class="container">
            <div class="navbar-header">
                <button type="button" class="navbar-toggle" data-toggle="collapse" data-target=".navbar-collapse">
                    <span class="sr-only">Toggle navigation</span>
                    <span class="icon-bar"></span>
                    <span class="icon-bar"></span>
                    <span class="icon-bar"></span>
                </button>
                <a asp-area="" asp-controller="Home" asp-action="Index" class="navbar-brand">WebApplication1</a>
            </div>
            <div class="navbar-collapse collapse">
                <ul class="nav navbar-nav">
                    <li><a asp-area="" asp-controller="Home" asp-action="Index">Home</a></li>
                    <li><a asp-area="" asp-controller="Home" asp-action="About">About</a></li>
                    <li><a asp-area="" asp-controller="Home" asp-action="Contact">Contact</a></li>
                </ul>
            </div>
        </div>
    </nav>

    <partial name="_CookieConsentPartial" />

    <div class="container body-content">
        @RenderBody()
        <hr />
        <footer>
            <p>&copy; 2019 - WebApplication1</p>
        </footer>
    </div>

    <environment include="Development">
        <script src="~/lib/jquery/dist/jquery.js"></script>
        <script src="~/js/jquery-ui.js"></script>
        <script src="~/js/multiselect.js"></script>
        <script src="~/js/DataTables/jquery.dataTables.js"></script>
        <script src="~/lib/bootstrap/dist/js/bootstrap.js"></script>
        <script src="~/js/site.js" asp-append-version="true"></script>
        <script src="~/js/bootstrap-multiselect.js"></script>
        <script src="~/js/chosen.jquery.js"></script>
        <script src="~/js/chosen.proto.js"></script>
    </environment>
    <environment exclude="Development">
        <script src="https://ajax.aspnetcdn.com/ajax/jquery/jquery-3.3.1.min.js"
                asp-fallback-src="~/lib/jquery/dist/jquery.min.js"
                asp-fallback-test="window.jQuery"
                crossorigin="anonymous"
                integrity="sha384-tsQFqpEReu7ZLhBV2VZlAu7zcOV+rXbYlF2cqB8txI/8aZajjp4Bqd+V6D5IgvKT">
        </script>
        <script src="https://stackpath.bootstrapcdn.com/bootstrap/3.4.1/js/bootstrap.min.js"
                asp-fallback-src="~/lib/bootstrap/dist/js/bootstrap.min.js"
                asp-fallback-test="window.jQuery && window.jQuery.fn && window.jQuery.fn.modal"
                crossorigin="anonymous"
                integrity="sha384-aJ21OjlMXNL5UyIl/XNwTMqvzeRMZH2w8c5cRVpzpU8Y5bApTppSuUkhZXN0VxHd">
        </script>
        <script src="~/js/site.min.js" asp-append-version="true"></script>
    </environment>

    @RenderSection("Scripts", required: false)
</body>
</html>

Drop down with autocomplete in CORE(2.1) & MVC6

Press Me

View Model :

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc.Rendering;
using System.ComponentModel.DataAnnotations;

namespace WebApplication1.Models
{
    public class Testvm
    {
        [Display(Name ="COUNTRY")]
        public int LID { get; set; }
        public List<SelectListItem> COUNTRY { get; set; }
    }
}

Controller :

[HttpGet]
        public IActionResult Test()
        {
            Testvm vm = new Testvm();
            vm.COUNTRY = JRepository.Gets().Select(m => new SelectListItem { Value=m.JID.ToString(), Text=m.NAME }).ToList();
            return View(vm);
        }
        [HttpPost]
        public IActionResult Test(Testvm vm)
        {
            return View();
        }

View :

@model WebApplication1.Models.Testvm

@{
    ViewData["Title"] = "Test";
}


<form class="form-horizontal" asp-action="Test" style="margin-top:20px">
    <div class="form-group">
        <label class="control-label col-lg-4" asp-for="LID"></label>
        <div class="col-lg-4">
            <select  asp-for="LID" asp-items="Model.COUNTRY" class="form-control">
                <option value="" >Select</option>
            </select>
        </div>
    </div>
    <div class="form-group">
        <label class="control-label col-lg-4"></label>
        <div class="col-lg-4">
            <input type="submit" value="Save" class="btn btn-primary" />
        </div>
    </div>
</form>

<div>
    <a asp-action="Index">Back to List</a>
</div>

@section Scripts {
    @{await Html.RenderPartialAsync("_ValidationScriptsPartial");}
    <script type="text/javascript">
    $(function () {  
      $('#LID').chosen();
    });
    </script>
}

Reset Dropdown Code :

$('#LID').val('').trigger('chosen:updated');

Layout View :

<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>@ViewData["Title"] - WebApplication1</title>

    <environment include="Development">
        <link href="~/css/jquery-ui.css" rel="stylesheet" />
        <link rel="stylesheet" href="~/css/site.css" />
        <link href="~/css/DataTables/css/jquery.dataTables.css" rel="stylesheet" />
        <link href="~/css/DataTables/css/jquery.dataTables_themeroller.css" rel="stylesheet" />
        <link href="~/css/jquery.multiselect.css" rel="stylesheet" />
        <link rel="stylesheet" href="~/lib/bootstrap/dist/css/bootstrap.css" />
        <link href="~/css/bootstrap-multiselect.css" rel="stylesheet" />
        <link href="~/css/chosen.css" rel="stylesheet" />
    </environment>
    <environment exclude="Development">
        <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/3.4.1/css/bootstrap.min.css"
              asp-fallback-href="~/lib/bootstrap/dist/css/bootstrap.min.css"
              asp-fallback-test-class="sr-only" asp-fallback-test-property="position" asp-fallback-test-value="absolute" />
        <link rel="stylesheet" href="~/css/site.min.css" asp-append-version="true" />
    </environment>
</head>
<body>
    <nav class="navbar navbar-inverse navbar-fixed-top">
        <div class="container">
            <div class="navbar-header">
                <button type="button" class="navbar-toggle" data-toggle="collapse" data-target=".navbar-collapse">
                    <span class="sr-only">Toggle navigation</span>
                    <span class="icon-bar"></span>
                    <span class="icon-bar"></span>
                    <span class="icon-bar"></span>
                </button>
                <a asp-area="" asp-controller="Home" asp-action="Index" class="navbar-brand">WebApplication1</a>
            </div>
            <div class="navbar-collapse collapse">
                <ul class="nav navbar-nav">
                    <li><a asp-area="" asp-controller="Home" asp-action="Index">Home</a></li>
                    <li><a asp-area="" asp-controller="Home" asp-action="About">About</a></li>
                    <li><a asp-area="" asp-controller="Home" asp-action="Contact">Contact</a></li>
                </ul>
            </div>
        </div>
    </nav>

    <partial name="_CookieConsentPartial" />

    <div class="container body-content">
        @RenderBody()
        <hr />
        <footer>
            <p>&copy; 2019 - WebApplication1</p>
        </footer>
    </div>

    <environment include="Development">
        <script src="~/lib/jquery/dist/jquery.js"></script>
        <script src="~/js/jquery-ui.js"></script>
        <script src="~/js/multiselect.js"></script>
        <script src="~/js/DataTables/jquery.dataTables.js"></script>
        <script src="~/lib/bootstrap/dist/js/bootstrap.js"></script>
        <script src="~/js/site.js" asp-append-version="true"></script>
        <script src="~/js/bootstrap-multiselect.js"></script>
        <script src="~/js/chosen.jquery.js"></script>
        <script src="~/js/chosen.proto.js"></script>
    </environment>
    <environment exclude="Development">
        <script src="https://ajax.aspnetcdn.com/ajax/jquery/jquery-3.3.1.min.js"
                asp-fallback-src="~/lib/jquery/dist/jquery.min.js"
                asp-fallback-test="window.jQuery"
                crossorigin="anonymous"
                integrity="sha384-tsQFqpEReu7ZLhBV2VZlAu7zcOV+rXbYlF2cqB8txI/8aZajjp4Bqd+V6D5IgvKT">
        </script>
        <script src="https://stackpath.bootstrapcdn.com/bootstrap/3.4.1/js/bootstrap.min.js"
                asp-fallback-src="~/lib/bootstrap/dist/js/bootstrap.min.js"
                asp-fallback-test="window.jQuery && window.jQuery.fn && window.jQuery.fn.modal"
                crossorigin="anonymous"
                integrity="sha384-aJ21OjlMXNL5UyIl/XNwTMqvzeRMZH2w8c5cRVpzpU8Y5bApTppSuUkhZXN0VxHd">
        </script>
        <script src="~/js/site.min.js" asp-append-version="true"></script>
    </environment>

    @RenderSection("Scripts", required: false)
</body>
</html>

--------------------------------RLDC-------------------------------
Click

Install-Package Microsoft.ReportingServices.ReportViewerControl.WinForms



using Microsoft.Reporting.WebForms;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using WebApplication2.Models;

namespace WebApplication2.Views.Shared
{
    public partial class Default : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
             
                using (Database1Entities dc = new Database1Entities())
                {
                    var customers = (from x in dc.EMPs
                                     join y in dc.DEPTs on
                                     x.DID equals y.DID
                                     select new { x.NAME, y.DNAME }).ToList();
                    ReportViewer1.LocalReport.ReportPath = Server.MapPath("~/Reports/Report3.rdlc");
                    ReportViewer1.LocalReport.DataSources.Clear();
                    ReportDataSource rdc = new ReportDataSource("DataSet2", customers);
                    ReportViewer1.LocalReport.DataSources.Add(rdc);
                    ReportViewer1.LocalReport.Refresh();
                }
            }
        }
    }
}

Bootstrap Multi select checkbox in core(2.1) & MVC6

             

View Model :

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc.Rendering;
using System.ComponentModel.DataAnnotations;

namespace WebApplication1.Models
{
    public class Testvm
    {
        [Display(Name ="COUNTRY")]
        public List<string> LID { get; set; }
        public List<SelectListItem> COUNTRY { get; set; }
    }
}

Controller :

[HttpGet]
        public IActionResult Test()
        {
            Testvm vm = new Testvm();
            vm.COUNTRY = JRepository.Gets().Select(m => new SelectListItem { Value=m.JID.ToString(), Text=m.NAME }).ToList();
            return View(vm);
        }
        [HttpPost]
        public IActionResult Test(Testvm vm)
        {
            return View();
        }

View :

@model WebApplication1.Models.Testvm

@{
    ViewData["Title"] = "Test";
}


<form class="form-horizontal" asp-action="Test">
    <div class="form-group">
        <label class="control-label col-lg-4" asp-for="LID"></label>
        <div class="col-lg-4">
            <select style="width:450px" asp-for="LID" asp-items="Model.COUNTRY" multiple></select>
        </div>
    </div>
    <div class="form-group">
        <label class="control-label col-lg-4"></label>
        <div class="col-lg-4">
            <input type="submit" value="Save" class="btn btn-primary" />
        </div>
    </div>
</form>

<div>
    <a asp-action="Index">Back to List</a>
</div>
<style>
    .multiselect {
    width:300px;
    }
    .multiselect-container{
        width:300px;
    }
</style>
@section Scripts {
    @{await Html.RenderPartialAsync("_ValidationScriptsPartial");}
    <script type="text/javascript">
    $(function () {
        $('#LID').multiselect({
                includeSelectAllOption: true,         
                selectAllValue: 'multiselect-all',    
                enableFiltering: true,   
                enableCaseInsensitiveFiltering: true, 
});
    });
    </script>
Reset Multiselect :

$('#LID option:selected').each(function ()
{
$(this).prop('selected', false);
});


$('#LID').multiselect('refresh');
}

Layout View :

<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>@ViewData["Title"] - WebApplication1</title>

    <environment include="Development">
        <link href="~/css/jquery-ui.css" rel="stylesheet" />
        <link rel="stylesheet" href="~/css/site.css" />
        <link href="~/css/DataTables/css/jquery.dataTables.css" rel="stylesheet" />
        <link href="~/css/DataTables/css/jquery.dataTables_themeroller.css" rel="stylesheet" />
        <link href="~/css/jquery.multiselect.css" rel="stylesheet" />
        <link rel="stylesheet" href="~/lib/bootstrap/dist/css/bootstrap.css" />
        <link href="~/css/bootstrap-multiselect.css" rel="stylesheet" />
    </environment>
    <environment exclude="Development">
        <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/3.4.1/css/bootstrap.min.css"
              asp-fallback-href="~/lib/bootstrap/dist/css/bootstrap.min.css"
              asp-fallback-test-class="sr-only" asp-fallback-test-property="position" asp-fallback-test-value="absolute" />
        <link rel="stylesheet" href="~/css/site.min.css" asp-append-version="true" />
    </environment>
</head>
<body>
    <nav class="navbar navbar-inverse navbar-fixed-top">
        <div class="container">
            <div class="navbar-header">
                <button type="button" class="navbar-toggle" data-toggle="collapse" data-target=".navbar-collapse">
                    <span class="sr-only">Toggle navigation</span>
                    <span class="icon-bar"></span>
                    <span class="icon-bar"></span>
                    <span class="icon-bar"></span>
                </button>
                <a asp-area="" asp-controller="Home" asp-action="Index" class="navbar-brand">WebApplication1</a>
            </div>
            <div class="navbar-collapse collapse">
                <ul class="nav navbar-nav">
                    <li><a asp-area="" asp-controller="Home" asp-action="Index">Home</a></li>
                    <li><a asp-area="" asp-controller="Home" asp-action="About">About</a></li>
                    <li><a asp-area="" asp-controller="Home" asp-action="Contact">Contact</a></li>
                </ul>
            </div>
        </div>
    </nav>

    <partial name="_CookieConsentPartial" />

    <div class="container body-content">
        @RenderBody()
        <hr />
        <footer>
            <p>&copy; 2019 - WebApplication1</p>
        </footer>
    </div>

    <environment include="Development">
        <script src="~/lib/jquery/dist/jquery.js"></script>
        <script src="~/js/jquery-ui.js"></script>
        <script src="~/js/multiselect.js"></script>
        <script src="~/js/DataTables/jquery.dataTables.js"></script>
        <script src="~/lib/bootstrap/dist/js/bootstrap.js"></script>
        <script src="~/js/site.js" asp-append-version="true"></script>
        <script src="~/js/bootstrap-multiselect.js"></script>

    </environment>
    <environment exclude="Development">
        <script src="https://ajax.aspnetcdn.com/ajax/jquery/jquery-3.3.1.min.js"
                asp-fallback-src="~/lib/jquery/dist/jquery.min.js"
                asp-fallback-test="window.jQuery"
                crossorigin="anonymous"
                integrity="sha384-tsQFqpEReu7ZLhBV2VZlAu7zcOV+rXbYlF2cqB8txI/8aZajjp4Bqd+V6D5IgvKT">
        </script>
        <script src="https://stackpath.bootstrapcdn.com/bootstrap/3.4.1/js/bootstrap.min.js"
                asp-fallback-src="~/lib/bootstrap/dist/js/bootstrap.min.js"
                asp-fallback-test="window.jQuery && window.jQuery.fn && window.jQuery.fn.modal"
                crossorigin="anonymous"
                integrity="sha384-aJ21OjlMXNL5UyIl/XNwTMqvzeRMZH2w8c5cRVpzpU8Y5bApTppSuUkhZXN0VxHd">
        </script>
        <script src="~/js/site.min.js" asp-append-version="true"></script>
    </environment>

    @RenderSection("Scripts", required: false)
</body>
</html>

Monday, 26 August 2019

CRUD operations using CORE(2.1) MVC6 ,Generic Repository & Dependency Injection, EF code first approach , jquery datatable, jquery datepicker, multiselect dropdown.




 Models :

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using System.ComponentModel.DataAnnotations;

namespace WebApplication1.Models
{
    public class COUNTRY
    {
        [Key]
        public int CID { get; set; }
        [MaxLength(50)]
        public string CNAME { get; set; }
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using System.ComponentModel.DataAnnotations;

namespace WebApplication1.Models
{
    public class STATE
    {
        [Key]
        public int SID { get; set; }
        [MaxLength(50)]
        public string SNAME { get; set; }
        public int CID { get; set; }
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using System.ComponentModel.DataAnnotations;

namespace WebApplication1.Models
{
    public class HOBBY
    {
        [Key]
        public int HID { get; set; }
        public string DNAME { get; set; }
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using System.ComponentModel.DataAnnotations;

namespace WebApplication1.Models
{
    public class HMAP
    {
        [Key]
        public int ID { get; set; }
        public int CID { get; set; }
        public int HID { get; set; }
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using System.ComponentModel.DataAnnotations;

namespace WebApplication1.Models
{
    public class INTEREST
    {
        [Key]
        public int IID { get; set; }
        public string INAME { get; set; }
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using System.ComponentModel.DataAnnotations;

namespace WebApplication1.Models
{
    public class IMAP
    {
        [Key]
        public int ID { get; set; }
        public int CID { get; set; }
        public int IID { get; set; }
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;

namespace WebApplication1.Models
{
    public class CUSTOMER
    {
        [Key, DatabaseGenerated(DatabaseGeneratedOption.None)]
        public int EID { get; set; }
        [MaxLength(50)]
        public string NAME { get; set; }
        public string ADDRESS { get; set; }
        [MaxLength(50)]
        public string PASSWORD { get; set; }
        [MaxLength(50)]
        public string GENDER { get; set; }
        [MaxLength(50)]
        public string EMAIL { get; set; }
        public decimal SALARY { get; set; }
        public DateTime DOJ { get; set; }
        public string PATH { get; set; }
        public int CID { get; set; }
        public int SID { get; set; }


    }
}

View Model:

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using System.ComponentModel.DataAnnotations;
using Microsoft.AspNetCore.Mvc.Rendering;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;

namespace WebApplication1.Models
{
    public class CUSTOMERVM
    {
        public CUSTOMERVM()
        {
            HOBBY = new List<SelectListItem>();
            LCID = new List<SelectListItem>();
            LSID = new List<SelectListItem>();
            INTEREST = new List<string>();
            LINTEREST = new List<SelectListItem>();
        }
        [Required(ErrorMessage = "Eid should not be blank.")]
        public int? EID { get; set; }
        [Required(ErrorMessage ="Name should not be blank.")]
        public string NAME { get; set; }
        [Required(ErrorMessage = "Address should not be blank.")]
        [DataType(DataType.MultilineText)]
        public string ADDRESS { get; set; }
        [Required(ErrorMessage = "Password should not be blank.")]
        [StringLength(8,MinimumLength =6,ErrorMessage ="Password length between 6 to 8 charecters long.")]
        [DataType(DataType.Password)]
        public string PASSWORD { get; set; }
        [DataType(DataType.Password)]
        [Display(Name ="CONFIRM PASSWORD")]
        [Required(ErrorMessage = "Confirm password should not be blank.")]
        [Compare("PASSWORD",ErrorMessage ="Password and confirm password must be same.")]
        public string CPASSWORD { get; set; }
        [Required(ErrorMessage = "Please select a gender.")]
        public string GENDER { get; set; }
        [Required(ErrorMessage = "Email should not be blank.")]
        [Remote("Check","Custom",ErrorMessage = "This mail id is already exists")]
        [RegularExpression(@"\w+([-+.']\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*", ErrorMessage ="Invalid email id.")]
        public string EMAIL { get; set; }
        [Required(ErrorMessage = "Salary should not be blank.")]
        [Range(5000,500000,ErrorMessage ="Salary range between 5000 to 500000.")]
        public decimal SALARY { get; set; }
        [Required(ErrorMessage = "Doj should not be blank.")]
        public DateTime DOJ { get; set; }
        [Cheboxsvalidation(ErrorMessage ="Please select a hobby.")]
        public List<SelectListItem> HOBBY { get; set; }
        [Required(ErrorMessage = "Please select a country.")]
        [Display(Name ="COUNTRY")]
        public int CID { get; set; }
        public List<SelectListItem> LCID { get; set; }
        [Required(ErrorMessage = "Please select a state.")]
        public int SID { get; set; }
        public List<SelectListItem> LSID { get; set; }
        [Listboxvalidation(ErrorMessage = "Please select a interest.")]
        public List<string> INTEREST { get; set; }
        public List<SelectListItem> LINTEREST { get; set; }
        public string PATH { get; set; }
        [Required(ErrorMessage = "Please select a photo.")]
        public IFormFile PHOTO { get; set; }

    }
    public class Cheboxsvalidation:ValidationAttribute
    {
        public override bool IsValid(object value)
        {
            if (value == null)
                return false;
            else
                return ((List<SelectListItem>)value).Count(m => m.Selected) > 0;
            
        }
    }
    public class Listboxvalidation:ValidationAttribute
    {
        public override bool IsValid(object value)
        {
            if (value == null)
                return false;
            else
                return ((List<string>)value).Count > 0;
        }
    }
}

Repository :

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.EntityFrameworkCore;

namespace WebApplication1.Models
{
    public class Repository<T> : IRepository<T> where T : class
    {
        private readonly AppDbContext context;
        public Repository(AppDbContext Context)
        {
            this.context = Context;
        }
        public async Task Delete(int id)
        {
            var data = await Get(id);
            context.Set<T>().Remove(data);
            await context.SaveChangesAsync();
        }
        public async Task Multipledelete(List<T> t)
        {
            context.Set<T>().RemoveRange(t);
           await context.SaveChangesAsync();
        }
        public async Task<T> Get(int id)
        {
            return await context.Set<T>().FindAsync(id);
        }
        public  IQueryable<T> Gets()
        {
            return  context.Set<T>().AsNoTracking();
        }
        public async Task Multiplesave(List<T> t)
        {
            await context.Set<T>().AddRangeAsync(t);
            await context.SaveChangesAsync();
        }
        public async Task Save(T t)
        {
            await context.Set<T>().AddAsync(t);
            await context.SaveChangesAsync();
        }
        public async Task Update(T t)
        {
            context.Set<T>().Update(t);
            await context.SaveChangesAsync();
        }
    }
}

Implement Repository :

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.EntityFrameworkCore;

namespace WebApplication1.Models
{
    public class Repository<T> : IRepository<T> where T : class
    {
        private readonly AppDbContext context;
        public Repository(AppDbContext Context)
        {
            this.context = Context;
        }
        public async Task Delete(int id)
        {
            var data = await Get(id);
            context.Set<T>().Remove(data);
            await context.SaveChangesAsync();
        }
        public async Task Multipledelete(List<T> t)
        {
            context.Set<T>().RemoveRange(t);
           await context.SaveChangesAsync();
        }
        public async Task<T> Get(int id)
        {
            return await context.Set<T>().FindAsync(id);
        }
        public  IQueryable<T> Gets()
        {
            return  context.Set<T>().AsNoTracking();
        }
        public async Task Multiplesave(List<T> t)
        {
            await context.Set<T>().AddRangeAsync(t);
            await context.SaveChangesAsync();
        }
        public async Task Save(T t)
        {
            await context.Set<T>().AddAsync(t);
            await context.SaveChangesAsync();
        }
        public async Task Update(T t)
        {
            context.Set<T>().Update(t);
            await context.SaveChangesAsync();
        }
    }
}

DbContext :

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.EntityFrameworkCore;

namespace WebApplication1.Models
{
    public class AppDbContext : DbContext
    {
        public AppDbContext(DbContextOptions<AppDbContext> options):base(options)
        { }
      
        public DbSet<COUNTRY> COUNTRIEs { get; set; }
        public DbSet<STATE> STATEs { get; set; }
        public DbSet<HOBBY> HOBBY { get; set; }
        public DbSet<HMAP> HMAP { get; set; }
        public DbSet<INTEREST> INTEREST { get; set; }
        public DbSet<IMAP> IMAP { get; set; }
        public DbSet<CUSTOMER> CUSTOMER { get; set; }

    }
}


Add connection string in appsettings.json :

{
  "Logging": {
    "LogLevel": {
      "Default": "Warning"
    }
  },
  "AllowedHosts": "*",
  "ConnectionStrings": {
    "DBConnection": "server=(localdb)\\MSSQLLocalDB;database=SIVDB;Trusted_Connection=true;MultipleActiveResultSets=True"
  }
}

Register Dependency Injection in dependency  container Startup.cs:

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.HttpsPolicy;
using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using WebApplication1.Models;

namespace WebApplication1
{
    public class Startup
    {
        public Startup(IConfiguration configuration)
        {
            Configuration = configuration;
        }

        public IConfiguration Configuration { get; }

        // This method gets called by the runtime. Use this method to add services to the container.
        public void ConfigureServices(IServiceCollection services)
        {
            services.Configure<CookiePolicyOptions>(options =>
            {
                // This lambda determines whether user consent for non-essential cookies is needed for a given request.
                options.CheckConsentNeeded = context => true;
                options.MinimumSameSitePolicy = SameSiteMode.None;
            });

            services.AddMvc();
            //services.AddMvc().SetCompatibilityVersion(CompatibilityVersion.Version_2_1);
            services.AddDbContextPool<AppDbContext>(options => options.UseSqlServer(Configuration.GetConnectionString("DBConnection")));
            services.AddDbContext<AppDbContext>();

            services.AddScoped<IRepository<COUNTRY>, Repository<COUNTRY>>();
            services.AddScoped<IRepository<STATE>, Repository<STATE>>();

            services.AddScoped<IRepository<CUSTOMER>, Repository<CUSTOMER>>();
            services.AddScoped<IRepository<HOBBY>, Repository<HOBBY>>();
            services.AddScoped<IRepository<HMAP>, Repository<HMAP>>();
            services.AddScoped<IRepository<INTEREST>, Repository<INTEREST>>();
            services.AddScoped<IRepository<IMAP>, Repository<IMAP>>();
        }

        // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
        public void Configure(IApplicationBuilder app, IHostingEnvironment env)
        {
            if (env.IsDevelopment())
            {
                app.UseDeveloperExceptionPage();
            }
            else
            {
                app.UseExceptionHandler("/Home/Error");
                app.UseHsts();
            }

            app.UseHttpsRedirection();
            app.UseStaticFiles();
            app.UseCookiePolicy();

            app.UseMvc(routes =>
            {
                routes.MapRoute(
                    name: "default",
                    template: "{controller=Custom}/{action=Index}/{id?}");
            });
        }
    }
}

Use 2 commands for migration :
Add-Migration Intialmigraion
Update-Database

Controller :

using System;
using System.Collections.Generic;
using System.Linq;
using Newtonsoft.Json;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc;
using WebApplication1.Models;
using Microsoft.AspNetCore.Mvc.Rendering;
using System.IO;
using Microsoft.AspNetCore.Hosting;

namespace WebApplication1.Controllers
{
    public class CustomController : Controller
    {
        #region
        private readonly IRepository<CUSTOMER> rCUSTOMER;
        private readonly IRepository<COUNTRY> rCOUNTRY;
        private readonly IRepository<STATE> rSTATE;
        private readonly IRepository<HOBBY> rHOBBY;
        private readonly IRepository<HMAP> rHMAP;
        private readonly IRepository<INTEREST> rINTEREST;
        private readonly IRepository<IMAP> rIMAP;
        private readonly IHostingEnvironment hostingEnvironment;
        #endregion
        public CustomController(IRepository<CUSTOMER> RCUSTOMER, 
            IRepository<COUNTRY> RCOUNTRY, 
            IRepository<STATE> RSTATE,
            IRepository<HOBBY> RHOBBY,
            IRepository<HMAP> RHMAP,
            IRepository<INTEREST> RINTEREST,
            IRepository<IMAP> RIMAP,
             IHostingEnvironment HostingEnvironment)
        {
            this.rCUSTOMER = RCUSTOMER;
            this.rCOUNTRY = RCOUNTRY;
            this.rSTATE = RSTATE;
            this.rHOBBY = RHOBBY;
            this.rHMAP = RHMAP;
            this.rINTEREST = RINTEREST;
            this.rIMAP = RIMAP;
            this.hostingEnvironment = HostingEnvironment;
        }
        [HttpGet]
        public IActionResult Index()
        {
            return View(rCUSTOMER.Gets());
        }
        [HttpGet]
        public JsonResult Fillddl(int CID)
        {
            return Json(JsonConvert.SerializeObject(rSTATE.Gets().Where(m => m.CID == CID).ToList()));
        }
        [HttpGet]
        public IActionResult Create()
        {
            CUSTOMERVM vm = new CUSTOMERVM();
            vm.HOBBY = rHOBBY.Gets().Select(x => new SelectListItem { Value=x.HID.ToString(), Text=x.DNAME }).ToList();
            vm.LCID =rCOUNTRY.Gets().Select(x => new SelectListItem { Value = x.CID.ToString(), Text = x.CNAME }).ToList();
            vm.LINTEREST = rINTEREST.Gets().Select(x => new SelectListItem { Value = x.IID.ToString(), Text = x.INAME }).ToList();
            return View(vm);
        }
        [HttpPost]
        public IActionResult Create(CUSTOMERVM vm)
        {
            if (ModelState.IsValid)
            {
                CUSTOMER cUSTOMER = new CUSTOMER();
                cUSTOMER.EID = vm.EID??0;
                cUSTOMER.NAME = vm.NAME;
                cUSTOMER.ADDRESS = vm.ADDRESS;
                cUSTOMER.PASSWORD = vm.PASSWORD;
                cUSTOMER.GENDER = vm.GENDER;
                cUSTOMER.EMAIL = vm.EMAIL;
                cUSTOMER.SALARY = vm.SALARY;
                cUSTOMER.DOJ = vm.DOJ;
                cUSTOMER.CID = vm.CID;
                cUSTOMER.SID = vm.SID;
                string uniqueFileName = null;
                string filePath = null;
                string uploadsFolder = string.Empty;
                if (vm.PHOTO != null)
                {

                    
                    uploadsFolder = Path.Combine(hostingEnvironment.WebRootPath, "images");
                    // To make sure the file name is unique we are appending a new
                    // GUID value and and an underscore to the file name
                    uniqueFileName = Guid.NewGuid().ToString() + "_" + vm.PHOTO.FileName;
                    filePath = Path.Combine(uploadsFolder, uniqueFileName);
                    // Use CopyTo() method provided by IFormFile interface to
                    // copy the file to wwwroot/images folder
                    vm.PHOTO.CopyTo(new FileStream(filePath, FileMode.Create));
                }
                cUSTOMER.PATH =uniqueFileName;
                rCUSTOMER.Save(cUSTOMER);
                
                rHMAP.Multiplesave(vm.HOBBY.Where(n=>n.Selected).Select(x => new HMAP { CID =vm.EID.Value, HID = Convert.ToInt32(x.Value) }).ToList());
                rIMAP.Multiplesave(vm.INTEREST.Select(x => new IMAP { CID = vm.EID.Value, IID = Convert.ToInt32(x) }).ToList());
               return RedirectToAction("Index");
            }
            else
            {
                vm.HOBBY = rHOBBY.Gets().Select(x => new SelectListItem { Value = x.HID.ToString(), Text = x.DNAME }).ToList();
                vm.LCID = rCOUNTRY.Gets().Select(x => new SelectListItem { Value = x.CID.ToString(), Text = x.CNAME }).ToList();
                vm.LSID = rSTATE.Gets().Where(M => M.CID == vm.CID).Select(x => new SelectListItem { Value = x.SID.ToString(), Text = x.SNAME }).ToList();
                vm.LINTEREST = rINTEREST.Gets().Select(x => new SelectListItem { Value = x.IID.ToString(), Text = x.INAME }).ToList();
                return View(vm);
            }

        }
        [HttpGet]
        public IActionResult Edit(int id)
        {
            CUSTOMERVM vm = new CUSTOMERVM();
            CUSTOMER cUSTOMER = rCUSTOMER.Get(id).Result;
            vm.EID = cUSTOMER.EID;
            vm.NAME = cUSTOMER.NAME;
            vm.ADDRESS = cUSTOMER.ADDRESS;
            vm.GENDER = cUSTOMER.GENDER;
            vm.EMAIL = cUSTOMER.EMAIL;
            vm.SALARY = cUSTOMER.SALARY;
            vm.DOJ = cUSTOMER.DOJ;
            vm.CID = cUSTOMER.CID;
            vm.SID = cUSTOMER.SID;
            vm.LCID = rCOUNTRY.Gets().Select(x => new SelectListItem { Value = x.CID.ToString(), Text = x.CNAME }).ToList();
            vm.LSID = rSTATE.Gets().Where(m=>m.CID==vm.CID).Select(x => new SelectListItem { Value = x.SID.ToString(), Text = x.SNAME }).ToList();
            vm.LINTEREST = rINTEREST.Gets().Select(x => new SelectListItem { Value = x.IID.ToString(), Text = x.INAME }).ToList();
            vm.INTEREST = rIMAP.Gets().Where(n => n.CID == vm.EID).Select(m => m.IID.ToString()).ToList();
            List<SelectListItem> hlst = new List<SelectListItem>();
            int mark = 0;
            var hobby = rHOBBY.Gets().ToList();
            var mhobby = rHMAP.Gets().Where(m => m.CID == vm.EID).ToList();
            foreach (HOBBY hb in hobby)
            {
                mark = 0;
                foreach (HMAP hm in mhobby)
                {
                    if (hb.HID == hm.HID)
                    {
                        mark = 1;
                        break;
                    }
                }
                if (mark == 1)
                    hlst.Add(new SelectListItem { Value=hb.HID.ToString(), Text=hb.DNAME, Selected=true });
                else
                    hlst.Add(new SelectListItem { Value = hb.HID.ToString(), Text = hb.DNAME, Selected =false });
            }

            vm.HOBBY = hlst;
            return View(vm);
        }
        [HttpPost]
        public IActionResult Edit(CUSTOMERVM vm)
        {
            ModelState.Remove("PASSWORD");
            ModelState.Remove("CPASSWORD");
            ModelState.Remove("PHOTO");
            if (ModelState.IsValid)
            {
                CUSTOMER cUSTOMER = rCUSTOMER.Get(vm.EID.Value).Result;
             
                cUSTOMER.NAME = vm.NAME;
                cUSTOMER.ADDRESS = vm.ADDRESS;
               
                cUSTOMER.GENDER = vm.GENDER;
                cUSTOMER.EMAIL = vm.EMAIL;
                cUSTOMER.SALARY = vm.SALARY;
                cUSTOMER.DOJ = vm.DOJ;
                cUSTOMER.CID = vm.CID;
                cUSTOMER.SID = vm.SID;
                string uniqueFileName = null;
                string filePath = null;
                string uploadsFolder = string.Empty;
                if (vm.PHOTO != null)
                {


                    uploadsFolder = Path.Combine(hostingEnvironment.WebRootPath, "images");
                    // To make sure the file name is unique we are appending a new
                    // GUID value and and an underscore to the file name
                    uniqueFileName = Guid.NewGuid().ToString() + "_" + vm.PHOTO.FileName;
                    filePath = Path.Combine(uploadsFolder, uniqueFileName);
                    // Use CopyTo() method provided by IFormFile interface to
                    // copy the file to wwwroot/images folder
                    vm.PHOTO.CopyTo(new FileStream(filePath, FileMode.Create));
                    cUSTOMER.PATH = uniqueFileName;
                }
                var data = rHMAP.Gets().Where(m => m.CID == vm.EID.Value).ToList();
                var data1 = rIMAP.Gets().Where(m => m.CID == vm.EID.Value).ToList();
                rCUSTOMER.Update(cUSTOMER);
                foreach (HMAP hm in data)
                    rHMAP.Delete(hm.ID);
                rHMAP.Multiplesave(vm.HOBBY.Where(n => n.Selected).Select(x => new HMAP { CID = vm.EID.Value, HID = Convert.ToInt32(x.Value) }).ToList());
                foreach (IMAP im in data1)
                    rIMAP.Delete(im.ID);
                rIMAP.Multiplesave(vm.INTEREST.Select(x => new IMAP { CID = vm.EID.Value, IID = Convert.ToInt32(x) }).ToList());
                return RedirectToAction("Index");
            }
            else
            {
                vm.HOBBY = rHOBBY.Gets().Select(x => new SelectListItem { Value = x.HID.ToString(), Text = x.DNAME }).ToList();
                vm.LCID = rCOUNTRY.Gets().Select(x => new SelectListItem { Value = x.CID.ToString(), Text = x.CNAME }).ToList();
                vm.LSID = rSTATE.Gets().Where(M => M.CID == vm.CID).Select(x => new SelectListItem { Value = x.SID.ToString(), Text = x.SNAME }).ToList();
                vm.LINTEREST = rINTEREST.Gets().Select(x => new SelectListItem { Value = x.IID.ToString(), Text = x.INAME }).ToList();
                return View(vm);
            }

        }
        [HttpGet]
        public IActionResult Check(string EMAIL)
        {
            if (EMAIL == null)
                return Json(false);
            else
                return Json(!rCUSTOMER.Gets().Any(m => m.EMAIL == EMAIL));

        }
        [HttpPost]
        public IActionResult DeleteAll(List<int> Lst)
        {
                rCUSTOMER.Multipledelete(rCUSTOMER.Gets().Where(n=>Lst.Contains(n.EID)).ToList());
             rHMAP.Multipledelete(rHMAP.Gets().Where(p=>Lst.Contains(p.CID)).ToList());
             rIMAP.Multipledelete(rIMAP.Gets().Where(m=>Lst.Contains(m.CID)).ToList());
            return Json("1");
        }
        [HttpGet]
        public IActionResult Delete(int id)
        {
            var data = rHMAP.Gets().Where(m => m.CID == id).ToList();
            var data1 = rIMAP.Gets().Where(m => m.CID == id).ToList();
            rCUSTOMER.Delete(id);
            foreach (HMAP hm in data)
                rHMAP.Delete(hm.ID);
            foreach (IMAP im in data1)
                rIMAP.Delete(im.ID);
          return  RedirectToAction("Index");
        }
    }
}

Index View :

@model IEnumerable<CUSTOMER>

@{
    ViewData["Title"] = "Index";
}



<p style="margin-top:5px">
    <a asp-action="Create" class="btn btn-primary" style="width:80px">Create</a>
</p>
<div style="border:1px solid #000000">
    <table class="table table-condensed table-hover table-responsive" id="tb">
        <thead class="bg bg-primary">
            <tr>
                <th>
                    <input type="checkbox" class="hcb" />
                </th>
                <th>
                    @Html.DisplayNameFor(model => model.EID)
                </th>
                <th>
                    @Html.DisplayNameFor(model => model.NAME)
                </th>
                <th>
                    @Html.DisplayNameFor(model => model.ADDRESS)
                </th>

                <th>
                    @Html.DisplayNameFor(model => model.GENDER)
                </th>
                <th>
                    @Html.DisplayNameFor(model => model.EMAIL)
                </th>
                <th>
                    @Html.DisplayNameFor(model => model.SALARY)
                </th>
                <th>
                    @Html.DisplayNameFor(model => model.DOJ)
                </th>
                <th>
                    PHOTO
                </th>
             
                <th>ACTION</th>
            </tr>
        </thead>
        <tbody>
            @foreach (var item in Model)
            {
                <tr>
                    <td>
                        <input type="checkbox" value="@item.EID" class="cb" />
                    </td>
                    <td>
                        @Html.DisplayFor(modelItem => item.EID)
                    </td>
                    <td>
                        @Html.DisplayFor(modelItem => item.NAME)
                    </td>
                    <td>
                        @Html.DisplayFor(modelItem => item.ADDRESS)
                    </td>

                    <td>
                        @Html.DisplayFor(modelItem => item.GENDER)
                    </td>
                    <td>
                        @Html.DisplayFor(modelItem => item.EMAIL)
                    </td>
                    <td>
                        @Html.DisplayFor(modelItem => item.SALARY)
                    </td>
                    <td>
                        @{
                            string s = string.Format("{0:dd-MMM-yy}", item.DOJ);
                        }
                        @s

                    </td>
                    <td>
                        @{
                            string t = "~/images/" + item.PATH;
                        }
                        <img height="50" width="50" src="@t" asp-append-version="true" />
                    </td>
                 
                    <td>
                        @Html.ActionLink("Edit", "Edit", new { id = item.EID }) |

                        @Html.ActionLink("Delete", "Delete", new { id = item.EID })
                    </td>
                </tr>
            }
        </tbody>
    </table>
</div>
<p style="margin-top:2px">
    <input type="button" class="btn btn-primary" value="Delete All" id="btnDel" />
</p>
@section Scripts {
    @{await Html.RenderPartialAsync("_ValidationScriptsPartial");}
    <script type="text/javascript">
        $(function () {
            $('#tb').on("click", ".hcb", function () {
                $(".cb").attr("checked", this.checked);
            });
            $('#tb').on("click", ".cb", function () {
                if ($('.cb').length == $('.cb:checked').length)
                    $(".hcb").attr("checked", true);
                else
                    $(".hcb").attr("checked", false);
            });
            var table = $("#tb").DataTable({
                "order": [[0, "asc"]],
                "lengthMenu": [[2, 10, 25, 50, -1], [2, 10, 25, 50, "All"]],
                "scroller": true,
                "orderClasses": false,
            });

            $('#btnDel').click(function () {
                if ($('#tb').find('.cb:checked').length == 0) {
                    alert('Please select a item from the list.')
                    return;
                }
                var ids = [];
                if (confirm('Do you want to delete it ?')) {
                    $('#tb').find('.cb:checked').each(function (i, j) {
                        ids.push(j.value);
                    });
                    $.ajax({
                        "url": '@Url.Action("DeleteAll", "Custom")',
                        type: 'Post',
                        datatype: 'json',
                        cache: false,
                        async: true,
                        data: { Lst: ids },
                        success: function (data) {
                            if (data == 1)
                                window.location.reload(true);
                        }
                    });
                 
                 
               
                }
            });
        })
    </script>
    }



Create View :

@model CUSTOMERVM


@{
    ViewData["Title"] = "Create";
}
<div class="row">
    <div class="col-md-4">
        <form asp-action="Create" asp-controller="Custom" method="post" enctype="multipart/form-data">
            <div asp-validation-summary="ModelOnly" class="text-danger"></div>
            <div class="form-group">
                <label asp-for="EID" class="control-label"></label>
                <input asp-for="EID" class="form-control" />
                <span asp-validation-for="EID" class="text-danger"></span>
            </div>
            <div class="form-group">
                <label asp-for="NAME" class="control-label"></label>
                <input asp-for="NAME" class="form-control" />
                <span asp-validation-for="NAME" class="text-danger"></span>
            </div>
            <div class="form-group">
                <label asp-for="ADDRESS" class="control-label"></label>
                <textarea asp-for="ADDRESS" class="form-control"></textarea>
                <span asp-validation-for="ADDRESS" class="text-danger"></span>
            </div>
            <div class="form-group">
                <label asp-for="PASSWORD" class="control-label"></label>
                <input asp-for="PASSWORD" class="form-control" />
                <span asp-validation-for="PASSWORD" class="text-danger"></span>
            </div>
            <div class="form-group">
                <label asp-for="CPASSWORD" class="control-label"></label>
                <input asp-for="CPASSWORD" class="form-control" />
                <span asp-validation-for="CPASSWORD" class="text-danger"></span>
            </div>
            <div class="form-group">
                <label asp-for="GENDER" class="control-label"></label>

                <input type="radio" asp-for="GENDER" value="Male" />Male
                <input type="radio" asp-for="GENDER" value="Female" />Female
                <span asp-validation-for="GENDER" class="text-danger"></span>
            </div>
            <div class="form-group">
                <label asp-for="EMAIL" class="control-label"></label>
                <input asp-for="EMAIL" class="form-control" />
                <span asp-validation-for="EMAIL" class="text-danger"></span>
            </div>
            <div class="form-group">
                <label asp-for="SALARY" class="control-label"></label>
                <input asp-for="SALARY" class="form-control" />
                <span asp-validation-for="SALARY" class="text-danger"></span>
            </div>
            <div class="form-group">
                <label asp-for="DOJ" class="control-label"></label>
                <input autocomplete="off" asp-for="DOJ" class="form-control" />
                <span asp-validation-for="DOJ" class="text-danger"></span>
            </div>
            <div class="form-group">
                <label asp-for="HOBBY" class="control-label"></label>
                @for (int i = 0; i < Model.HOBBY.Count(); i++)
                {
                    <input type="hidden" asp-for="@Model.HOBBY[i].Text" />
                    <input type="hidden" asp-for="@Model.HOBBY[i].Value" />
                    <input asp-for="@Model.HOBBY[i].Selected" class="form-check-input" />
                    <label class="form-check-label" asp-for="@Model.HOBBY[i].Selected">
                        @Model.HOBBY[i].Text
                    </label>
                }
                <span asp-validation-for="HOBBY" class="text-danger"></span>
            </div>
            <div class="form-group">
                <label asp-for="CID" class="control-label"></label>
                <select asp-for="CID" asp-items="Model.LCID" class="form-control">
                    <option value="">Select</option>
                </select>
                <span asp-validation-for="CID" class="text-danger"></span>
            </div>
            <div class="form-group">
                <label asp-for="SID" class="control-label"></label>
                <select asp-for="SID" asp-items="Model.LSID" class="form-control">
                    <option value="">Select</option>
                </select>
                <span asp-validation-for="SID" class="text-danger"></span>
            </div>
            <div class="form-group">
                <label asp-for="INTEREST" class="control-label"></label>
                <select asp-for="INTEREST" multiple asp-items="Model.LINTEREST" class="form-control"></select>
                <span asp-validation-for="INTEREST" class="text-danger"></span>
            </div>
            <div class="form-group">
                <label asp-for="PHOTO" class="control-label"></label>
                <input type="file" asp-for="PHOTO" class="form-control" />
                <span asp-validation-for="PHOTO" class="text-danger"></span>
            </div>
            <div class="form-group">
                <input type="submit" value="Create" class="btn btn-default" />
            </div>
        </form>
    </div>
</div>

<div>
    <a asp-action="Index">Back to List</a>
</div>

@section Scripts {
    @{await Html.RenderPartialAsync("_ValidationScriptsPartial");}
    <script type="text/javascript">
        $(function () {
            $('#DOJ').prop("type", "");
            $('#DOJ').val("");
            $('#INTEREST').multiselect();
            $('#DOJ').datepicker();
            $('#CID').change(function () {
              $.ajax({
                url: '@Url.Action("Fillddl", "Custom")',
              data: { CID: $(this).val() },
                type: 'GET',

                dataType: 'json',

                contentType: 'application/json; charset=utf-8',

                success: function (result) {

                    $('#SID').empty();

                    $('#SID').append("<option value=''>Select</option>");

                    $.each(JSON.parse(result), function (i, j) {

                        $('#SID').append("<option value='" + j.SID + "'>" + j.SNAME + "</option>");

                    });

                }

            });

            });
        });
    </script>

}

Edit View :

@model CUSTOMERVM

@{
    ViewData["Title"] = "Edit";
}


<div class="row">
    <div class="col-md-4">
        <form asp-action="Edit"  asp-controller="Custom" method="post" enctype="multipart/form-data">
            <div asp-validation-summary="ModelOnly" class="text-danger"></div>
            
            <div class="form-group">
                <label asp-for="NAME" class="control-label"></label>
                <input asp-for="NAME" class="form-control" />
                <input type="hidden" asp-for="EID"  />
                <span asp-validation-for="NAME" class="text-danger"></span>
            </div>
            <div class="form-group">
                <label asp-for="ADDRESS" class="control-label"></label>
                <textarea asp-for="ADDRESS" class="form-control"></textarea>
                <span asp-validation-for="ADDRESS" class="text-danger"></span>
            </div>
           
            <div class="form-group">
                <label asp-for="GENDER" class="control-label"></label>

                <input type="radio" asp-for="GENDER" value="Male" />Male
                <input type="radio" asp-for="GENDER" value="Female" />Female
                <span asp-validation-for="GENDER" class="text-danger"></span>
            </div>
            <div class="form-group">
                <label asp-for="EMAIL" class="control-label"></label>
                <input asp-for="EMAIL" class="form-control" />
                <span asp-validation-for="EMAIL" class="text-danger"></span>
            </div>
            <div class="form-group">
                <label asp-for="SALARY" class="control-label"></label>
                <input asp-for="SALARY" class="form-control" />
                <span asp-validation-for="SALARY" class="text-danger"></span>
            </div>
            <div class="form-group">
                <label asp-for="DOJ" class="control-label"></label>
                <input autocomplete="off" asp-for="DOJ" class="form-control" />
                <span asp-validation-for="DOJ" class="text-danger"></span>
            </div>
            <div class="form-group">
                <label asp-for="HOBBY" class="control-label"></label>
                @for (int i = 0; i < Model.HOBBY.Count(); i++)
                {
                    <input type="hidden" asp-for="@Model.HOBBY[i].Text" />
                    <input type="hidden" asp-for="@Model.HOBBY[i].Value" />
                    <input asp-for="@Model.HOBBY[i].Selected" class="form-check-input" />
                    <label class="form-check-label" asp-for="@Model.HOBBY[i].Selected">
                        @Model.HOBBY[i].Text
                    </label>
                }
                <span asp-validation-for="HOBBY" class="text-danger"></span>
            </div>
            <div class="form-group">
                <label asp-for="CID" class="control-label"></label>
                <select asp-for="CID" asp-items="Model.LCID" class="form-control">
                    <option value="">Select</option>
                </select>
                <span asp-validation-for="CID" class="text-danger"></span>
            </div>
            <div class="form-group">
                <label asp-for="SID" class="control-label"></label>
                <select asp-for="SID" asp-items="Model.LSID" class="form-control">
                    <option value="">Select</option>
                </select>
                <span asp-validation-for="SID" class="text-danger"></span>
            </div>
            <div class="form-group">
                <label asp-for="INTEREST" class="control-label"></label>
                <select asp-for="INTEREST" multiple asp-items="Model.LINTEREST" class="form-control"></select>
                <span asp-validation-for="INTEREST" class="text-danger"></span>
            </div>
            <div class="form-group">
                <label asp-for="PHOTO" class="control-label"></label>
                <input type="file"  asp-for="PHOTO" class="form-control" />
                <span asp-validation-for="PHOTO" class="text-danger"></span>
            </div>
            <div class="form-group">
                <input type="submit" id="btn" value="Create" class="btn btn-default" />
            </div>
        </form>
    </div>
</div>

<div>
    <a asp-action="Index">Back to List</a>
</div>

@section Scripts {
    @{await Html.RenderPartialAsync("_ValidationScriptsPartial");}
    <script type="text/javascript">
        $(function () {
            $("#PHOTO").rules("remove", "required")
            $("#EMAIL").rules("remove", "remote")
            $('#DOJ').prop("type", "");
            $('#INTEREST').multiselect();
            $('#DOJ').datepicker();
            $('#CID').change(function () {
              $.ajax({
                url: '@Url.Action("Fillddl", "Custom")',
              data: { CID: $(this).val() },
                type: 'GET',

                dataType: 'json',

                contentType: 'application/json; charset=utf-8',

                success: function (result) {

                    $('#SID').empty();

                    $('#SID').append("<option value=''>Select</option>");

                    $.each(JSON.parse(result), function (i, j) {

                        $('#SID').append("<option value='" + j.SID + "'>" + j.SNAME + "</option>");

                    });

                }

            });

            });
        });
    </script>
}

Layout View :

<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>@ViewData["Title"] - WebApplication1</title>

    <environment include="Development">
        <link href="~/css/jquery-ui.css" rel="stylesheet" />
        <link rel="stylesheet" href="~/css/site.css" />
        <link href="~/css/DataTables/css/jquery.dataTables.css" rel="stylesheet" />
        <link href="~/css/DataTables/css/jquery.dataTables_themeroller.css" rel="stylesheet" />
        <link href="~/css/jquery.multiselect.css" rel="stylesheet" />
        <link rel="stylesheet" href="~/lib/bootstrap/dist/css/bootstrap.css" />
    </environment>
    <environment exclude="Development">
        <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/3.4.1/css/bootstrap.min.css"
              asp-fallback-href="~/lib/bootstrap/dist/css/bootstrap.min.css"
              asp-fallback-test-class="sr-only" asp-fallback-test-property="position" asp-fallback-test-value="absolute" />
        <link rel="stylesheet" href="~/css/site.min.css" asp-append-version="true" />
    </environment>
</head>
<body>
    <nav class="navbar navbar-inverse navbar-fixed-top">
        <div class="container">
            <div class="navbar-header">
                <button type="button" class="navbar-toggle" data-toggle="collapse" data-target=".navbar-collapse">
                    <span class="sr-only">Toggle navigation</span>
                    <span class="icon-bar"></span>
                    <span class="icon-bar"></span>
                    <span class="icon-bar"></span>
                </button>
                <a asp-area="" asp-controller="Home" asp-action="Index" class="navbar-brand">WebApplication1</a>
            </div>
            <div class="navbar-collapse collapse">
                <ul class="nav navbar-nav">
                    <li><a asp-area="" asp-controller="Home" asp-action="Index">Home</a></li>
                    <li><a asp-area="" asp-controller="Home" asp-action="About">About</a></li>
                    <li><a asp-area="" asp-controller="Home" asp-action="Contact">Contact</a></li>
                </ul>
            </div>
        </div>
    </nav>

    <partial name="_CookieConsentPartial" />

    <div class="container body-content">
        @RenderBody()
        <hr />
        <footer>
            <p>&copy; 2019 - WebApplication1</p>
        </footer>
    </div>

    <environment include="Development">
        <script src="~/lib/jquery/dist/jquery.js"></script>
        <script src="~/js/jquery-ui.js"></script>
        <script src="~/js/multiselect.js"></script>
        <script src="~/js/DataTables/jquery.dataTables.js"></script>
        <script src="~/lib/bootstrap/dist/js/bootstrap.js"></script>
        <script src="~/js/site.js" asp-append-version="true"></script>

    </environment>
    <environment exclude="Development">
        <script src="https://ajax.aspnetcdn.com/ajax/jquery/jquery-3.3.1.min.js"
                asp-fallback-src="~/lib/jquery/dist/jquery.min.js"
                asp-fallback-test="window.jQuery"
                crossorigin="anonymous"
                integrity="sha384-tsQFqpEReu7ZLhBV2VZlAu7zcOV+rXbYlF2cqB8txI/8aZajjp4Bqd+V6D5IgvKT">
        </script>
        <script src="https://stackpath.bootstrapcdn.com/bootstrap/3.4.1/js/bootstrap.min.js"
                asp-fallback-src="~/lib/bootstrap/dist/js/bootstrap.min.js"
                asp-fallback-test="window.jQuery && window.jQuery.fn && window.jQuery.fn.modal"
                crossorigin="anonymous"
                integrity="sha384-aJ21OjlMXNL5UyIl/XNwTMqvzeRMZH2w8c5cRVpzpU8Y5bApTppSuUkhZXN0VxHd">
        </script>
        <script src="~/js/site.min.js" asp-append-version="true"></script>
    </environment>

    @RenderSection("Scripts", required: false)
</body>
</html>


How to Save date in MVC6  using jquery:

Controller :

 [HttpPost]
        public IActionResult Add(JBS vm)
        {
            JRepository.Save(vm);
            return Json("Data Saved.");
        }

View :

@model JBSVM;
@{
    ViewData["Title"] = "Add";
}


<form class="form-horizontal" style="margin-top:20px">
    <div class="form-group">
        <label class="control-label col-lg-4">EID</label>
        <div class="col-lg-4">
            <input type="text" class="form-control" id="eid" />
        </div>
    </div>
    <div class="form-group">
        <label class="control-label col-lg-4">NAME</label>
        <div class="col-lg-4">
            <input type="text" class="form-control" id="name" />
        </div>
    </div>
    <div class="form-group">
        <label class="control-label col-lg-4"></label>
        <div class="col-lg-4">
            <input type="button" class="btn btn-primary" value="Save" style="width:80px" id="btn" />
        </div>
    </div>
</form>

@section Scripts {
    @{await Html.RenderPartialAsync("_ValidationScriptsPartial");}
    <script type="text/javascript">
        $('#btn').click(function () {
            $.ajax({
                    "url":  '@Url.Action("Add", "Jagannath")',
                    type: 'Post',
                    datatype: 'json',
                    cache: false,
                    async: true,
                    data: { JID: $('#eid').val(), NAME: $('#name').val() },
                    success: function (data) {
                        alert(data);
                        window.location.href = "Index";
                    },
                    error: function (t) {
                        alert(t.responseText);
                    }
                });
        })
    </script>
}