private void detach_BillDetals(BillDetal entity) { this.SendPropertyChanging(); entity.Food = null; }
partial void DeleteBillDetal(BillDetal instance);
partial void InsertBillDetal(BillDetal instance);
partial void UpdateBillDetal(BillDetal instance);
private void attach_BillDetals(BillDetal entity) { this.SendPropertyChanging(); entity.Bill = this; }