Hi arehman,
Refer below sample.
HTML
CS.aspx
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="CS.aspx.cs" Inherits="CS" %>
<%@ Register TagPrefix="uc" Src="~/WebUserControl.ascx" TagName="Submit" %>
<!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">
<div>
<uc:Submit ID="ucButton" runat="server" />
</div>
</form>
</body>
</html>
WebUserControl.ascx
<%@ Control Language="C#" AutoEventWireup="true" CodeFile="WebUserControl.ascx.cs"
Inherits="WebUserControl" %>
<asp:Button Text="Submit" runat="server" ID="btnSubmit" />
Code
C#
protected void Page_Load(object sender, EventArgs e)
{
Button btn = this.FindControl("ucButton").FindControl("btnSubmit") as Button;
btn.Click += new EventHandler(Save);
}
protected void Save(object sender, EventArgs e)
{
ScriptManager.RegisterStartupScript(this, this.GetType(), "Message", "alert('ID is : " + (sender as Button).ID + "');", true);
}
VB.Net
Protected Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs) Handles Me.Load
Dim btn As Button = TryCast(Me.FindControl("ucButton").FindControl("btnSubmit"), Button)
AddHandler btn.Click, AddressOf Save
End Sub
Protected Sub Save(ByVal sender As Object, ByVal e As EventArgs)
ScriptManager.RegisterStartupScript(Me, Me.GetType(), "Message", "alert('ID is : " & (TryCast(sender, Button)).ID & "');", True)
End Sub
Screenshot
