Backend\Core\Engine\DataGrid::getContent PHP Method

    public function getContent()
    {
        // mass action was set
        if ($this->tpl->getAssignedValue('massAction') !== null) {
            $this->tpl->assign('footer', true);
        } elseif ($this->getPaging() && $this->getNumResults() > $this->getPagingLimit()) {
            // has paging & more than 1 page
            $this->tpl->assign('footer', true);
        }
        // set the odd and even classes
        $this->setOddRowAttributes(array('class' => 'odd'));
        $this->setEvenRowAttributes(array('class' => 'even'));
        // enable greying out
        $this->enableGreyingOut();
        // execute parent
        return parent::getContent();
    }