$dataProvider, 'columns' => [ 'article_category_id', 'code', 'date_add', 'date_update', [ 'class' => Column::className(), 'header' => Yii::t('app', 'Name'), 'content' => function($model, $key, $index, $column) { return $model->getArticleCategoryLangs()->orderBy(['language_id' => 'ASC'])->one()->name; } ], [ 'class' => ActionColumn::className(), 'template' => '{update} {delete}' ] ] ]);