<%@ Page Language=\"C#\" %>
<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\"
\"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">
<script runat=\"server\">
void WaitFiveSeconds(object o, EventArgs e)
{
System.Threading.Thread.Sleep(5000);
Label1.Text = DateTime.Now.ToLongTimeString( );
}
</script>
<html xmlns=\"http://www.w3.org/1999/xhtml\">
<head id=\"Head1\" runat=\"server\">
<title>ASP.NET AJAX</title>
</head>
<body>
<form id=\"form1\" runat=\"server\">
<asp:ScriptManager ID=\"ScriptManager1\" runat=\"server\" />
<asp:UpdatePanel ID=\"UpdatePanel1\" runat=\"server\">
<ContentTemplate>
<asp:Button ID=\"Button1\" runat=\"server\" Text=\"Do something\" OnClick=\"WaitFiveSeconds\" /><br />
<asp:Label ID=\"Label1\" runat=\"server\" />
</ContentTemplate>
</asp:UpdatePanel>
<asp:UpdateProgress ID=\"UpdateProgress1\" runat=\"server\" AssociatedUpdatePanelID=\"UpdatePanel1\">
<ProgressTemplate>
<div style=\"position: absolute; left: 200px; top: 150px; border: solid 1px black; padding:4px;\">
Loading, please stand by ...
</div>
</ProgressTemplate>
</asp:UpdateProgress>
</form>
</body>
</html>
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