public async Task <ActionResult> Login(LoginViewModel model, string returnUrl) { if (!ModelState.IsValid) { return(View(model)); } // This doesn't count login failures towards account lockout // To enable password failures to trigger account lockout, change to shouldLockout: true QLLINHKIENEntities db = new QLLINHKIENEntities(); AspNetUser user = db.AspNetUsers.FirstOrDefault(m => m.Email == model.Email); if (user == null) { ModelState.AddModelError("CustomError", "Tài khoản không tồn tại !!!"); return(View(model)); } else { if (user.EmailConfirmed == false) { ModelState.AddModelError("CustomError", "Tài khoản chưa xác thực !!!"); return(View(model)); } } var result = await SignInManager.PasswordSignInAsync(model.Email, model.Password, model.RememberMe, shouldLockout : false); switch (result) { case SignInStatus.Success: { return(RedirectToAction("Index", "LinhKien")); } case SignInStatus.LockedOut: return(View("Lockout")); case SignInStatus.RequiresVerification: return(RedirectToAction("SendCode", new { ReturnUrl = returnUrl, RememberMe = model.RememberMe })); case SignInStatus.Failure: default: ModelState.AddModelError("", "Sai tài khoản hoặc mật khẩu !!!"); return(View(model)); } }