public function processDeleteAction()
{
$id = preg_replace('/[^0-9a-z_A-Z- \\.]/', '', $this->_getParam('id'));
$discountTable = new DiscountTable();
$discountTable->guid = $id;
$discountTable->deleteByGuid();
$data = $this->_generateRowData($discountTable);
$json = Zend_Controller_Action_HelperBroker::getStaticHelper('json');
$json->suppressExit = true;
$json->direct($data);
}
