/**
  * Creates data provider instance with search query applied
  *
  * @param array $params
  *
  * @return ActiveDataProvider
  */
 public function search($params)
 {
     $query = Empparticipation::find();
     $dataProvider = new ActiveDataProvider(['query' => $query]);
     $this->load($params);
     if (!$this->validate()) {
         // uncomment the following line if you do not want to any records when validation fails
         // $query->where('0=1');
         return $dataProvider;
     }
     $query->andFilterWhere(['event_no' => $this->event_no, 'employee_no' => $this->employee_no]);
     $query->andFilterWhere(['like', 'status', $this->status]);
     return $dataProvider;
 }
 /**
  * Finds the Empparticipation model based on its primary key value.
  * If the model is not found, a 404 HTTP exception will be thrown.
  * @param integer $event_no
  * @param integer $employee_no
  * @return Empparticipation the loaded model
  * @throws NotFoundHttpException if the model cannot be found
  */
 protected function findModel($event_no, $employee_no)
 {
     if (($model = Empparticipation::findOne(['event_no' => $event_no, 'employee_no' => $employee_no])) !== null) {
         return $model;
     } else {
         throw new NotFoundHttpException('The requested page does not exist.');
     }
 }