((Label)Page.FindControl("Label1")).Text = "Panel refreshed at " DateTime.Now.ToString(); 字串4 
}
</script><html xmlns="http://www.w3.org/1999/xhtml"> 字串6
<head id="Head1" runat="server"> <title>UpdatePanel Added Programmatically Example</title> 字串9 </head><body> <form id="form1" runat="server"> 字串8 <div>