public function deleteAction()
    {
        $model = $this->loadModel();
        if ($model->isObjectNew()) {
            $this->_forward('noroute');
            return;
        }

        try {
            $model->delete();
            $this->_redirectUrl($this->getHelper()->getGridUrl());
            $this->_getSession()->addSuccess('Deleted Successfully');
        } catch (Exception $e) {
            if ($e instanceof Zend_Db_Statement_Exception && $e->getChainedException() instanceof PDOException) {
                $e = $e->getChainedException();
            }
            Mage::logException($e);
            $this->_getSession()->addError($e->getMessage());
            $this->_redirectUrl($this->getHelper()->getEditUrl($model));
        }
    }