private void InsertExecute()
        {
            _repository.Add(Model);

            AceptCallBack?.Invoke();

            Messenger.Default.Send(new NotificationMessage("Inserted"));
        }
        private void AceptChangesExecute()
        {
            _repository.Update(Model);

            AceptCallBack?.Invoke();

            Messenger.Default.Send(new NotificationMessage("Updated"));
        }