partial void UpdateCity(City instance);
partial void DeleteCity(City instance);
partial void InsertCity(City instance);
private void detach_City(City entity) { this.SendPropertyChanging(); entity.Province = null; }
private void attach_City(City entity) { this.SendPropertyChanging(); entity.Province = this; }
private void detach_City(City entity) { this.SendPropertyChanging(); entity.SmallArea = null; }
private void attach_City(City entity) { this.SendPropertyChanging(); entity.SmallArea = this; }