public ActionResult Register(User user)
 {
     if (ModelState.IsValid)
     {
         user.registerUser(user);
         return RedirectToAction("Login", "Login");
     }
     else
     {
         return View(user);
     }
 }
        public ActionResult Register(User user)
        {
            if (ModelState.IsValid)
            {
                user.registerUser(user);
            }
            else
            {
                return View(user);
            }

            return View();
        }