private void detach_CityZone(CityZone entity) { this.SendPropertyChanging(); entity.City = null; }
private void attach_CityZone(CityZone entity) { this.SendPropertyChanging(); entity.City = this; }
partial void UpdateCityZone(CityZone instance);
partial void DeleteCityZone(CityZone instance);
partial void InsertCityZone(CityZone instance);