public ActionResult Index(string email, string password)
        {
            if (String.IsNullOrEmpty(password) || String.IsNullOrEmpty(email))
            {
                ViewBag.msg = "Empty input";
                return(View());
            }

            UserManager userManager = new UserManager();

            User userToLogIn = userManager.LogIn(email, password);

            if (userToLogIn != null)
            {
                ViewBag.msg = "Log In Successfully";
                //ViewBag.user = userToLogIn;
                SetSession.SetUser(userToLogIn);
                return(RedirectToAction("index", "HomePage"));
            }
            else
            {
                ViewBag.msg = "Wrong Password or E-Mail";
            }

            return(View());
        }
        public ActionResult Index(User user)
        {
            if (String.IsNullOrEmpty(user.Name) ||
                String.IsNullOrEmpty(user.Password) ||
                String.IsNullOrEmpty(user.Status))
            {
                ViewBag.msg = "Input Error";
                return(View());
            }

            User currentUser = SetSession.GetCurrentUser();

            user.Id    = currentUser.Id;
            user.Email = currentUser.Email;

            UserManager userManager = new UserManager();

            ViewBag.msg = userManager.UpdateUser(user);

            SetSession.SetUser(currentUser.Email);



            return(View());
        }