private void detach_FilmActors(FilmActor entity)
 {
     this.SendPropertyChanging();
     entity.Actor = null;
 }
 private void attach_FilmActors(FilmActor entity)
 {
     this.SendPropertyChanging();
     entity.Actor = this;
 }
 partial void UpdateFilmActor(FilmActor instance);
 partial void DeleteFilmActor(FilmActor instance);
 partial void InsertFilmActor(FilmActor instance);