partial void Deleteres_blood_pl(res_blood_pl instance);
 partial void Insertres_blood_pl(res_blood_pl instance);
 partial void Updateres_blood_pl(res_blood_pl instance);
		private void detach_res_blood_pl(res_blood_pl entity)
		{
			this.SendPropertyChanging();
			entity.check_bill = null;
		}