It is hitting the Page_Load event, but not the LinkButton's click :
<%@ 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></title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:ScriptManager ID="ScriptManager1" runat="server">
</asp:ScriptManager>
<asp:UpdatePanel ID="UpdatePanel1" runat="server" UpdateMode=Conditional>
<ContentTemplate>
<asp:LinkButton ID="btnRenewAll" runat="server" onclick="LinkButton1_Click" OnClientClick="javascript:return ClientMe()">LinkButton</asp:LinkButton>
<br />
<asp:Label ID="lblMe" runat="server" />
</ContentTemplate>
</asp:UpdatePanel>
</div>
</form>
</body>
<script>
function ClientMe() {
var btnRenewall = document.getElementById('<%= btnRenewAll.ClientID %>');
btnRenewall.disabled = true;
alert("Hello");
return true;
}
</script>
</html>
CodeBehind :
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
public partial class _Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
protected void LinkButton1_Click(object sender, EventArgs e)
{
lblMe.Text = "Checked";
UpdatePanel1.Update();
}
}