ASP.net Session Destroy if he closes the browser

Question

I have an website. When the user is logged the session details will loaded. When the user logged out the session details will abandoned. (Log out by clicking the logout menu

Answer 1

try
    {
        Session["Admin"] = null;
        Response.Cache.SetExpires(DateTime.UtcNow.AddMinutes(-1));
        Response.Cache.SetCacheability(HttpCacheability.NoCache);
        Response.Cache.SetNoStore();
        Session.Abandon();
        Session.Clear();                   
        Page.Response.Cache.SetCacheability(HttpCacheability.NoCache);
        Response.Redirect("Dep_NewUserCreate.aspx");


    }
    catch(Exception ExLink)
    {
        Response.Redirect("Dep_NewUserCreate.aspx");
    }