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<%@ Control Language="C#" AutoEventWireup="true" CodeFile="Control.ascx.cs"
Inherits="Default" %>
<div>
<div style="background-color:#EFF3FB;margin:20px;border:solid 4px cyan;">
<%-- <asp:ScriptManager runat="server" ID="ScriptManager1" /> --%>
<asp:UpdatePanel runat="server" ID="UpdatePanel1">
<ContentTemplate>
<asp:Label runat="server" ID="Label1" />
</ContentTemplate>
<Triggers>
<asp:AsyncPostBackTrigger ControlID="Timer1" EventName="Tick" />
</Triggers>
</asp:UpdatePanel>
<asp:Timer ID="Timer1" runat="server" OnTick="Timer1_Tick" Interval="1000" />
</div>
</div>
File: Control.ascx.cs
using System;
using System.Data;
using System.Configuration;
using System.Collections;
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 Default : System.Web.UI.UserControl
{
protected override void OnInit(EventArgs e)
{
base.OnInit(e);
}
protected void Timer1_Tick(object sender, EventArgs e)
{
Label1.Text = DateTime.Now.ToLongTimeString();
}
}
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