Default2.aspx
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default2.aspx.cs" Inherits="Default2" %>
<!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></title>
</head>
<body>
<form id="form1" runat="server">
<asp:ScriptManager ID="ScriptManager1" runat="server">
</asp:ScriptManager>
<asp:Timer ID="Timer1" runat="server" OnTick="gettickvalue" Interval="2000">
</asp:Timer>
<asp:UpdatePanel ID="BannerPanel" runat="server" UpdateMode="Conditional">
<Triggers >
<asp:AsyncPostBackTrigger ControlID="Timer1" EventName="Tick" />
</Triggers>
<ContentTemplate>
<center><br /><br /><br />
<asp:Image ID="imgBanner" Height="250px" Width="350px" ImageUrl="~/images/banner_1.jpg" runat="server" />
</center>
</ContentTemplate>
</asp:UpdatePanel>
</form>
</body>
</html>
Default2.aspx.cs
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
public partial class Default2 : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
protected void gettickvalue(object sender, EventArgs e)
{
Random RandomNumber = new Random();
int n = RandomNumber.Next(1, 5);
imgBanner.ImageUrl = System.String.Concat("images/pic", n.ToString(), ".jpg");
}
}
Output :
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