/** * Creates data provider instance with search query applied * * @param array $params * * @return ActiveDataProvider */ public function search($params) { $query = ExamStudent::find(); $dataProvider = new ActiveDataProvider(['query' => $query]); if (!($this->load($params) && $this->validate())) { return $dataProvider; } $query->andFilterWhere(['ExamStudentId' => $this->ExamStudentId, 'Score' => $this->Score, 'ExamId' => $this->ExamId, 'StudentId' => $this->StudentId]); return $dataProvider; }