public function actionIndex()
{
    $criteria = new CDbCriteria();
    $criteria->group = \'title\';
    $criteria->order = \'created DESC\';

    $dataProvider=new CActiveDataProvider(\'Page\', array(
      \'pagination\'=>array(
        \'pageSize\'=>self::PAGE_SIZE,
      ),
      \'criteria\' => $criteria,
    ));

    $this->render(\'index\',array(
      \'dataProvider\'=>$dataProvider,
    ));
}