joinWith('project'); // add conditions that should always apply here $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; } // grid filtering conditions $query->andFilterWhere([ 'id' => $this->id, 'status_id' => $this->status_id, 'created_at' => $this->created_at, 'updated_at' => $this->updated_at, 'project.id' => $this->projectId ]); $query->andFilterWhere(['like', 'name', $this->name]) ->andFilterWhere(['like', 'description', $this->description]); return $dataProvider; } }