} //----------------------------------
//this procedure sets the payment summary
protected virtual void SetPaymentSummary()
{
Decimal amountPaid = 0;
Decimal discount = 0;
Decimal.TryParse(this.txtAmountPaid.Text, out amountPaid);
Decimal.TryParse(this.txtDiscount.Text, out discount);
this.lblShouldBeBalance.Text = (_summary.AmountPayable -
(_chargesManager.GetTotalPaymentsMade(_paymentInfo.ReceiptNo) + amountPaid + discount)).ToString("N");
} //-----------------------------
