public function getAction()
    {
        $s = $this->_getSelect();
        if ($this->_loadColumns) {
            foreach ($this->_loadColumns as $c) {
                $s->expr($c);
            }
        }
        $s->whereId($this->_getParam('id'));
        $row = $this->_model->getRow($s);
        if (!$row) throw new Kwf_Exception_NotFound();
        $this->view->data = $this->_loadDataFromRow($row);
    }