private void detach_MoviePersons(MoviePerson entity)
 {
     this.SendPropertyChanging();
     entity.Movy = null;
 }
 private void attach_MoviePersons(MoviePerson entity)
 {
     this.SendPropertyChanging();
     entity.Movy = this;
 }
 partial void UpdateMoviePerson(MoviePerson instance);
 partial void DeleteMoviePerson(MoviePerson instance);
 partial void InsertMoviePerson(MoviePerson instance);