partial void DeletetbPreferenceGenre(tbPreferenceGenre instance);
 partial void UpdatetbPreferenceGenre(tbPreferenceGenre instance);
		private void detach_tbPreferenceGenres(tbPreferenceGenre entity)
		{
			this.SendPropertyChanging();
			entity.tbPreference = null;
		}
 partial void InserttbPreferenceGenre(tbPreferenceGenre instance);
		private void attach_tbPreferenceGenres(tbPreferenceGenre entity)
		{
			this.SendPropertyChanging();
			entity.tbGenre = this;
		}