Design Code:
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %><%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="asp" %>
<!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">
<asp:ScriptManager ID="sm" runat="server"></asp:ScriptManager>
<div>
<table align="center">
<tr><td>Upload</td><td>
<asp:AsyncFileUpload ID="fileUpload1" runat="server" OnUploadedComplete="fileUploadComplete" /><br /><asp:Label ID="lb" runat="server"></asp:Label>
</td></tr>
<tr><td><asp:CheckBox ID="cb" runat="server" AutoPostBack="true"
oncheckedchanged="cb_CheckedChanged" />Press Me</td><td>
<asp:Button ID="btn" runat="server" Text="Save" onclick="btn_Click" />
</td></tr>
</table>
</div>
</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 AjaxControlToolkit;
using System.Threading;
public partial class _Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
protected void btn_Click(object sender, EventArgs e)
{
lb.Text = Application["x"].ToString();
}
protected void fileUploadComplete(object sender, AsyncFileUploadEventArgs e)
{
Thread.Sleep(1000);
string filename = System.IO.Path.GetFileName(fileUpload1.FileName);
Application["x"] = filename;
fileUpload1.SaveAs(Server.MapPath("image/") + filename);
}
protected void cb_CheckedChanged(object sender, EventArgs e)
{
}
}
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