public ActionResult Login(User objUser)
        {
            int id = iuser.userlogin(objUser);

            if (id > 0)
            {
                Session["UserID"]   = id;
                Session["UserName"] = objUser.UserName;
                Session["Admin"]    = iuser.GetUserByID(id).IsAdmin;
                return(RedirectToAction("Index"));
            }

            ViewBag.DuplicateMessage = "Invalid username or password";
            return(View(objUser));
        }