public void AddAccomodation()
        {
            if (_accomodationRepository.HasAccomodationWithId(_accomodation.Id) == false)
            {
                _accomodationRepository.Add(_accomodation);
                _locationRepository.Add(_accomodation.Location);

                DataManagementService.Instance.SaveData();
                ClearAccomodationFields();
                ClearRoomFields();
            }
            else
            {
                MessageBox.Show("This id already exists");
            }
        }