/**
  * Creates data provider instance with search query applied
  *
  * @param array $params
  *
  * @return ActiveDataProvider
  */
 public function search($params)
 {
     $query = Withholding::find();
     $dataProvider = new ActiveDataProvider(['query' => $query]);
     $this->load($params);
     if (!$this->validate()) {
         // uncomment the following line if you do not want to return any records when validation fails
         // $query->where('0=1');
         return $dataProvider;
     }
     $query->joinWith('scholarScholar');
     $query->andFilterWhere(['withholding_id' => $this->withholding_id, 'scholar_scholar_id' => $this->scholar_scholar_id, 'scholar_school_school_id' => $this->scholar_school_school_id, 'withholding_start_date' => $this->withholding_start_date, 'withholding_end_date' => $this->withholding_end_date]);
     $query->andFilterWhere(['like', 'scholar_allowance_allowance_area', $this->scholar_allowance_allowance_area])->andFilterWhere(['like', 'withholding_remark', $this->withholding_remark])->andFilterWhere(['like', 'scholar.scholar_first_name', $this->firstName])->andFilterWhere(['like', 'scholar.scholar_middle_name', $this->middleName])->andFilterWhere(['like', 'scholar.scholar_last_name', $this->lastName]);
     return $dataProvider;
 }