private void detach_BOOKGENREs(BOOKGENRE entity)
		{
			this.SendPropertyChanging();
			entity.GENRE = null;
		}
		private void attach_BOOKGENREs(BOOKGENRE entity)
		{
			this.SendPropertyChanging();
			entity.GENRE = this;
		}
 partial void UpdateBOOKGENRE(BOOKGENRE instance);
 partial void DeleteBOOKGENRE(BOOKGENRE instance);
 partial void InsertBOOKGENRE(BOOKGENRE instance);