public function actionIndex()
{
$dataProvider = new CActiveDataProvider('Semesters');
$model = new Semesters('search');
if (!Yii::app()->request->isAjaxRequest && !Yii::app()->request->getParam('ajax')) {
$this->render('list', ['dataProvider' => $dataProvider, 'model' => $model]);
} else {
$model->setAttributes(Yii::app()->request->getParam('Semesters'));
$dataProvider = $model->search();
$this->renderPartial('_list', ['dataProvider' => $dataProvider, 'model' => $model]);
}
}
