partial void Deletetb_drugs_mana(tb_drugs_mana instance);
 partial void Inserttb_drugs_mana(tb_drugs_mana instance);
 partial void Updatetb_drugs_mana(tb_drugs_mana instance);
		private void detach_tb_drugs_mana(tb_drugs_mana entity)
		{
			this.SendPropertyChanging();
			entity.tb_drugstorage = null;
		}