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ServerAndClient "
Shared = " True | False "
VaryByControl = " controlname "
VaryByCustom = " browser | customstring "
VaryByHeader = " headers "
VaryByParam = " parametername "
CacheProfile = " cache profile name | '' "
NoStore = " true | false "
SqlDependency = " database/table name pair | CommandNotification "
%>
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.IO;
namespace WebApplication1
{
public partial class DownfFile : System.Web.UI.Page
{
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private void Page_Load(object sender, System.EventArgs e)
{
btnClick.Attributes.Add("onclick", "return confirm('Are you sure?');");
// Button1.Attributes["OnClick"] = "return conf ......
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