/// <summary> /// Checks if municipality code is valid or not. /// </summary> /// <returns></returns> public override void Validate(ModelStateDictionary modelState) { if (string.IsNullOrEmpty(Model)) { return; } var dialCode = codeService.GetDialCode(Model); if (dialCode == null || !dialCode.Id.IsAssigned()) { modelState.AddModelError(PropertyName, string.Format(CoreMessages.OpenApi.CodeNotFound, Model)); } }