desing code:
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default2.aspx.cs" Inherits="Default2" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server" enctype="multipart/form-data">
<asp:ScriptManager ID="sm" runat="server"></asp:ScriptManager>
<p id="upload-area">
<input id="File1" type="file" runat="server" />
</p>
<p>
<a href="#" onclick="addTypeFile()">Add another file</a>
</p>
<p><asp:Button ID="btnSubmit" runat="server" Text="Save" Width="80" OnClick="btnSubmit_Click" /></p>
<span id="Span1" runat="server" />
<script type="text/javascript">
function addTypeFile() {
if (!document.getElementById || !document.createElement)
return false;
var uploadArea = document.getElementById("upload-area");
if (!uploadArea)
return;
var newLine = document.createElement("br");
uploadArea.appendChild(newLine);
var newTypeFile = document.createElement("input");
newTypeFile.type = "file";
if (!addTypeFile.lastAssignedId)
addTypeFile.lastAssignedId = 100;
newTypeFile.setAttribute("id", "file1" + addTypeFile.lastAssignedId);
newTypeFile.setAttribute("name", "file1:" + addTypeFile.lastAssignedId);
uploadArea.appendChild(newTypeFile);
addTypeFile.lastAssignedId++;
}
</script>
</form>
</body>
</html>
C# code:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.IO;
public partial class Default2 : System.Web.UI.Page
{
private String path = String.Empty;
protected void Page_Load(object sender, EventArgs e)
{
path = Server.MapPath("~/image/");
}
protected void btnSubmit_Click(object sender, EventArgs e)
{
String fileName = String.Empty;
String ContentType = String.Empty;
HttpFileCollection uploads = HttpContext.Current.Request.Files;
for (int i = 0; i < uploads.Count; i++)
{
if (uploads[i].FileName.Length == 0)
continue;
fileName = Path.GetFileName(uploads[i].FileName);
try
{
uploads[i].SaveAs(path + fileName);
Span1.InnerHtml = "Save Successful.";
}
catch
{
Span1.InnerHtml = "Save Failed.";
}
}
}
}
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