public function gridAction()
    {
        try {
            $this->loadLayout()->renderLayout();
            return;
        } catch (Mage_Core_Exception $e) {
            $this->_getSession()->addError($e->getMessage());
        } catch (Exception $e) {
            Adyen_Payment_Exception::logException($e);
        }

        $this->_redirect('*/*/');
    }