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Timed refresh

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs"  Inherits="TimedRefresh" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN"  "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" > <head id="Head1" runat="server">     <title>Untitled Page</title> </head> <body>     <form id="form1" runat="server">     <div>         <asp:ScriptManager ID="ScriptManager1" runat="server" EnablePartialRendering="True">         </asp:ScriptManager>         <asp:UpdatePanel ID="UpdatePanel1" runat="server" UpdateMode="Conditional">             <ContentTemplate>                 <div>                     <asp:Label ID="Label1" runat="server" Font-Bold="True"></asp:Label>                     <br />                     This time refreshes automatically every 1 second (for about 10 seconds).<br />                     <br />                     <asp:Button ID="Button1" runat="server" Text="Refresh Time" />                 </div>             </ContentTemplate>             <Triggers>                 <asp:AsyncPostBackTrigger ControlID="TimerControl1" EventName="Tick" />             </Triggers>                      </asp:UpdatePanel>         <asp:Timer ID="TimerControl1" runat="server" Interval="1000" OnTick="TimerControl1_Tick">         </asp:Timer>              </form> </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; public partial class TimedRefresh : System.Web.UI.Page {     protected void Page_Load(object sender, EventArgs e)     {         Label1.Text = DateTime.Now.ToLongTimeString();     }          protected void TimerControl1_Tick(object sender, EventArgs e)     {         int tickCount = 0;         if (ViewState["TickCount"] != null)         {             tickCount = (int)ViewState["TickCount"];         }         tickCount++;         ViewState["TickCount"] = tickCount;         if (tickCount > 10)         {             TimerControl1.Enabled = false;         }     } }