<%@ 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>How to dynamically add UpdatePanel to asp.net page</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:ScriptManager ID="ScriptManager1" runat="server">
</asp:ScriptManager>
<asp:Label ID="Label1" runat="server"></asp:Label><br />
<asp:Label ID="Label2" runat="server"></asp:Label>
</div>
</form>
</body>
</html>
******************************************************************************
using System;
using System.Web.UI;
public partial class _Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
Label1.Text = "Date 1 :" + DateTime.Now;
Label2.Text = "Date 2 :" + DateTime.Now;
Timer timer = new Timer();
timer.ID = "Timer1";
timer.Interval = 1000;
timer.Tick += new EventHandler<EventArgs>(timer_Tick);
UpdatePanel updatePanel = new UpdatePanel();
updatePanel.UpdateMode = UpdatePanelUpdateMode.Conditional;
updatePanel.ID = "UpdatePanel1";
updatePanel.ContentTemplateContainer.Controls.Add(Label2);
updatePanel.ContentTemplateContainer.Controls.Add(timer);
AsyncPostBackTrigger trigger = new AsyncPostBackTrigger();
trigger.ControlID = timer.ClientID;
trigger.EventName = "Tick";
updatePanel.Triggers.Add(trigger);
this.Page.Form.Controls.Add(updatePanel);
}
protected void timer_Tick(object sender, EventArgs e)
{
Label2.Text = "Date 2 :" + DateTime.Now;
}
}
No comments:
Post a Comment