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);
}