partial void DeleteKat_zach(Kat_zach instance);
 partial void UpdateKat_zach(Kat_zach instance);
		private void detach_Kat_zach(Kat_zach entity)
		{
			this.SendPropertyChanging();
			entity.TypeKatZach = null;
		}
 partial void InsertKat_zach(Kat_zach instance);
		private void attach_Kat_zach(Kat_zach entity)
		{
			this.SendPropertyChanging();
			entity.TypeKatZach = this;
		}