public ActionResult Login(LoginModel loginModel)
 {
     if (ModelState.IsValid)
     {
         var user = _userRepository.Get(x => x.UserName == loginModel.UserName).SingleOrDefault();
         if (user != null && PasswordHash.ValidatePassword(loginModel.Password, user.Password))
         {
             FormsAuthHelper.SetAuthTicket(user, HttpContext);
             return RedirectToAction("Index", "Home");
         }
         ModelState.AddModelError("NotFound", "User not found");
     }
     return View(loginModel);
 }
        public ActionResult Login(LoginModel model, string returnUrl)
        {
            if (ModelState.IsValid && WebSecurity.Login(model.UserName, model.Password, persistCookie: model.RememberMe))
            {
                return RedirectToLocal(returnUrl);
            }

            // If we got this far, something failed, redisplay form
            ModelState.AddModelError("", "The user name or password provided is incorrect.");
            return View(model);
        }