public void SalesInvoice_cmdProcessAndOrPay_Executing(SalesInvoice entity, ExecutingEventArgs e)
{
var customer = entity.BillingCustomer;
if (!customer.AllowedPaymentTypeLinks.Any())
{
entity.cmdProcessAndOrPay.Message(e, 0, new[] { PaymentHelper.CreateHyperlinkToCustomerAllowedPaymentTypeList(entity.BillingCustomer) });
}
}