public ActionResult Login(Person model)
        {
            Person _Resultmodel = new Person();

            //if (ModelState.IsValid)
            {
                string _ValidationMessage = string.Empty;
                try
                {
                    _Repository.Validate(model.username, model.password, out _ValidationMessage, out _Resultmodel);
                    TempData["Message"] = _ValidationMessage;
                    Session["UserInfo"] = _Resultmodel;
                }
                catch (Exception ex)
                {
                    AddErrors(ex, "User", "Login");
                }
            }
            if (_Resultmodel.user_id != 0)
            {
                return(RedirectToAction("Home", "Twitter"));
            }
            else
            {
                return(View());
            }
        }