public bool Insert_Bill(Bill b) { if ( b==null|| b.User_Id1 != Employee.Id || b.User_Id1==0 ||b.Date1.DayOfYear==1 ) { return false; } else { return bill.Insert_Bill(b); } }
public bool return_Bill_Id(Bill bill1) { if (bill1==null || bill1.User_Id1<=0) { return false; } else { return bill.return_Bill_Id(bill1); } }
public Order(List<BL.Product> product,List<int> quan,Bill bill) { this.B = bill; this.Product = product; this.Quantity = quan; }