private void detach_MovieGenres(MovieGenre entity)
 {
     this.SendPropertyChanging();
     entity.Movy = null;
 }
 private void attach_MovieGenres(MovieGenre entity)
 {
     this.SendPropertyChanging();
     entity.Movy = this;
 }
 partial void UpdateMovieGenre(MovieGenre instance);
 partial void DeleteMovieGenre(MovieGenre instance);
 partial void InsertMovieGenre(MovieGenre instance);