private void detach_FilmGenres(FilmGenre entity)
 {
     this.SendPropertyChanging();
     entity.Film = null;
 }
 private void attach_FilmGenres(FilmGenre entity)
 {
     this.SendPropertyChanging();
     entity.Film = this;
 }
 partial void UpdateFilmGenre(FilmGenre instance);
 partial void DeleteFilmGenre(FilmGenre instance);
 partial void InsertFilmGenre(FilmGenre instance);