Yii2-advanced : dataProvider - yii2-advanced-app

Question

I want to increment my dataProvider in siteController. That is, at each iteration, my dataProvider should be incremented by 1 & renamed as dataProvider1,dataProvider2,dataProvider3,....& so on.
I tried to append $i to dataProvider, but it says 'dataProvider can't be converted to String...!'
My actionIndex is as follows :
public function actionIndex()
{
$query = new \yii\db\Query;
for ($i = 1; $i <= 20; $i++) {
$query->select('*')->from('business_main_categories')->where(['bmc_id' => $i]);
$query->createCommand();
$dataProvider.$i = new ActiveDataProvider([
'query' => $query,
'pagination' => false,
]);
return $this->render('index', [
'dataProvider' => $dataProvider.$i,
]);
}
}
And, I also want to user that dataProvider in my 'index.php' with iterations; I tried to insert a for loop & written all statements in 'echo', but I'm unable to get it done.
My way to access it in 'index.php' is as follows :
<?= GridView::widget([
'dataProvider' => $dataProvider,
'summary' => '',
'columns' => [
[
'attribute' => 'bmc_image',
'format' => 'html',
'label' => '',
'value' => function ($data) {
return Html::img($data['bmc_image'],
['width' => '190px']);
},
],
]
]); ?>
Please help me to solve my issue.

Answer 1

I solved my problem without using gridview. As follows -
My SiteController -
public function actionIndex()
{
$searchModel = new BusinessMainCategoriesSearch();
$dataProvider = $searchModel->search(Yii::$app->request->queryParams);
$dataProvider->pagination->pageSize = $dataProvider->getTotalCount(); //-1 : disable
return $this->render('index', [
'searchModel' => $searchModel,
'dataProvider' => $dataProvider,
]);
}
using this code I get all records in dataProvider from my db.
(Note that, I'm using ActiveDataProvider in my 'BusinessMainCategoriesSearch' model)
And, my index.php is -
<?php
$m = $dataProvider->getModels();
foreach ($m as $dp) {
echo "<img src = '".$dp['bmc_image']."' />";
echo '<center><font color = "white">'.$dp['bmc_name'].'<font/></center>';
} ?>
It worked great for me & it's a easiest way to do so.