public void EditBill(BillModel model)
        {
            IBill bill = Service.GetBill(model.RecordId);

            bill.ConfirmationNumber = model.ConfirmationNumber;
            bill.DateOwed           = model.DateOwed;
            bill.MonthlyPayment     = model.MonthlyPayment;
            bill.Paid = model.Paid;
            Service.UpdateBill(bill);
        }