protected bool UpdateOrderPOPayment(string po_number, string po_filename, byte[] po_file_upload,string potype)
{
if(CurrentCart.Payment.ORD_PAYMENT_ID != 0)
{
CartDB db = new CartDB();
return db.Order_Update_POPayment(CurrentCart.Payment.ORD_PAYMENT_ID, po_number, po_filename, po_file_upload, po_file_upload != null && po_file_upload.Length > 0 ? 1 : 0, potype);
}
return false;
}