private void detach_MovieActors(MovieActor entity)
 {
     this.SendPropertyChanging();
     entity.Movie = null;
 }
 private void attach_MovieActors(MovieActor entity)
 {
     this.SendPropertyChanging();
     entity.Movie = this;
 }
 partial void UpdateMovieActor(MovieActor instance);
 partial void DeleteMovieActor(MovieActor instance);
 partial void InsertMovieActor(MovieActor instance);