public ActionResult Edit(int userId = 6)
        {
           var tr = db.Users.FirstOrDefault(t => t.IdUser == userId);
            ViewBag.Test = tr.email;
            ViewBag.Test2 = userId;
            return View();
        }

public static void RegisterRoutes(RouteCollection routes)
        {
            routes.IgnoreRoute("{resource}.axd/{*pathInfo}");

            routes.MapRoute(
                name: "Default",
                url: "{controller}/{action}/{id}",
                defaults: new { controller = "Home", action = "Index", id = UrlParameter.Optional }
            );
        }