backend/views/parser/checkPrice.php

<?php
use yii\helpers\Html;
use yii\grid\GridView;
use yii\grid\SerialColumn;
use yii\grid\DataColumn;
/* @var $this yii\web\View */
/* @var $searchModel backend\models\CatalogSearch */
/* @var $dataProvider yii\data\ActiveDataProvider */
$this->title = 'Проверка прайсов';
$this->params['breadcrumbs'][] = $this->title;
?>
<div class="catalog-index">
    <h1><?= Html::encode($this->title) ?></h1>
    <?= GridView::widget( ['dataProvider' => $dataProvider,
        'columns' => [['class' => SerialColumn::className()],
                          'importer_id',
                           'upload_time' ]] );?>
</div>