public IActionResult Login(Kunder K) { var Validate = new LoginValidation(_Connection, _httpContextAccessor); var Kunder = _Connection.GetAllKunder(); if (Validate.ValidateLogin(K, Kunder) && Validate.ValidatePassword(K, Kunder)) { Validate.CheckLogin(K); return(RedirectToAction("Index", "Home")); } else { if (!Validate.ValidateLogin(K, Kunder)) { ModelState.AddModelError("Kund.Anvandarnamn", "Fel Användarnamn"); } if (!Validate.ValidatePassword(K, Kunder)) { ModelState.AddModelError("Kund.Losenord", "Fel Lösenord"); } return(View(K)); } }