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<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs"
Inherits="Default"%>
<!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>Using the Timer control</title>
</head>
<body>
<div id="pageContent">
<form id="form1" runat="server">
<asp:ScriptManager ID="ScriptManager1" runat="server" />
<asp:Timer ID="Timer1" runat="server" Enabled="true" Interval="1000"
ontick="Timer1_Tick" />
<asp:Button ID="Button1" runat="server" Text="Start task"
onclick="Button1_Click" />
<asp:UpdateProgress ID="UpdateProgress1" runat="server" DynamicLayout="false">
<ProgressTemplate>
<br />
<img src="loading.gif" />
</ProgressTemplate>
</asp:UpdateProgress>
<asp:UpdatePanel ID="UpdatePanel1" runat="server">
<ContentTemplate>
<asp:Label ID="Label1" runat="server" />
</ContentTemplate>
<Triggers>
<asp:AsyncPostBackTrigger ControlID="Button1" EventName="Click" />
</Triggers>
</asp:UpdatePanel>
<hr />
<h2>
<asp:UpdatePanel ID="UpdatePanel2" runat="server" RenderMode="Inline">
<ContentTemplate>
<asp:Label ID="Label2" runat="server" />
</ContentTemplate>
<Triggers>
<asp:AsyncPostBackTrigger ControlID="Timer1" EventName="Tick" />
</Triggers>
</asp:UpdatePanel>
</h2>
</form>
</div>
</body>
</html>
File: Default.aspx.cs
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Threading;
public partial class Default : System.Web.UI.Page
{
protected void Timer1_Tick(object sender, EventArgs e)
{
Label2.Text = DateTime.Now.ToString();
}
protected void Button1_Click(object sender, EventArgs e)
{
Thread.Sleep(5000);
Label1.Text = DateTime.Now.ToString();
}
}
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