Global.asax

<%@ Application Language="C#" %>

<script runat="server">

    void Application_Start(object sender, EventArgs e)
    {
        // Code that runs on application startup

    }

    void Application_End(object sender, EventArgs e)
    {
        //  Code that runs on application shutdown

    }

    void Application_Error(object sender, EventArgs e)
    {
        //Exception exception = Server.GetLastError();
        //ExceptionReport exReport;
        //if ((exception != null) && (!HttpContext.Current.Request.Url.ToString().StartsWith("http://localhost:")))
        //{
        //    exReport = new ExceptionReport(exception, exception.InnerException.Message);
        //    Context.Session["exception"] = exReport;
        //}
        //Server.ClearError();
        //Server.Transfer("~/error.aspx");
    }

    void Session_Start(object sender, EventArgs e)
    {
        // Code that runs when a new session is started

    }

    void Session_End(object sender, EventArgs e)
    {
        // Code that runs when a session ends. 
        // Note: The Session_End event is raised only when the sessionstate mode
        // is set to InProc in the Web.config file. If session mode is set to StateServer 
        // or SQLServer, the event is not raised.

    }

</script>