protected void lnkPayPalRefund_Click(object sender, EventArgs e)
{
this.MessageBox1.ClearMessage();
string transactionId = this.lstPayPalRefund.SelectedItem.Value;
decimal amount = ParseMoney(this.PayPalRefundAmount.Text);
if (this.PayPalRefundAmount.Text.Trim() == string.Empty)
{
OrderTransaction refTrans = payManager.FindTransactionById(transactionId);
amount = refTrans.Amount;
}
ShowTransaction(payManager.PayPalExpressRefund(transactionId, amount));
LoadPayPalLists();
}