public function registerCustomClientScript()
{
parent::registerCustomClientScript();
if ($this->sortableRows) {
$mainAssets = Yii::app()->getAssetManager()->publish(Yii::getPathOfAlias('application.modules.yupe.views.assets'));
Yii::app()->getClientScript()->registerScriptFile($mainAssets . '/js/custom-grid-sortable.js', CClientScript::POS_END);
}
}