public ActionResult PhonenumberUpdate(PhoneNumberViewModel phoneNumber) { if (phoneNumber == null) { throw new ArgumentNullException(nameof(phoneNumber)); } var phoneNumberModel = _phoneNumberRepository.Get(phoneNumber.Id); if (phoneNumberModel == null) { throw new ArgumentNullException(); } phoneNumberModel.Number = phoneNumber.Number; // phoneNumberModel.UserApplicationId = phoneNumber.UserApplicationId; _phoneNumberRepository.Update(phoneNumberModel); _phoneNumberRepository.Complete(); return(Json("")); }