protected void lnkPayPalVoidHold_Click(object sender, EventArgs e)
{
this.MessageBox1.ClearMessage();
string transactionId = this.lstPayPalHold.SelectedItem.Value;
decimal amount = ParseMoney(this.PayPalHoldAmount.Text);
ShowTransaction(payManager.PayPalExpressVoid(transactionId, amount));
LoadPayPalLists();
}