Kartik GridView Yii2 : Toggle data not working in toolbar

Question

I am using Yii2 kartik gridview. Below are the 2 images before and after toggleData button is clicked. I am unable to see Full data in gridview.

BEFORE

AFTER

Only the pagination goes away but gridview does not display all records. I have 10 records for now, I have set pagination to 5 records. So If I click on "All", I must get all 10 records, but as you see I only get 5 records.

Below is code for ActiveDataProvider before rendering page.

CODE INSIDE CONTROLLER ACTION

 $searchModel = new StudentsAdminSearch();
        $dataProvider = $searchModel->search(\Yii::$app->request->queryParams);
        return \Yii::$app->controller->render('student/student_list', [
            'searchModel' => $searchModel,
            'dataProvider' => $dataProvider,
        ]);

CODE INSIDE StudentAdminSearch

$dataProvider = new ActiveDataProvider([
            'pagination' => [
                'pageSize' => Constants::$PAGE_SIZE, // $PAGE_SIZE=5
            ],
            'query' => $query,
        ]); 

Answer 1

I did something else, much easy and reliable than session variable.

If you see, when i first land on list page I get a link in address bar like,

http://localhost/nse/backend/web/index.php?r=site%2Fstudent-list

When I click 'ALL' button as toggleButton inside Kartik GridView, I get a link in address bar like,

http://localhost/nse/backend/web/index.php?r=site%2Fstudent-list&_tog1149016d=all

If you see carefully I get extra parameter added as _tog1149016d with value "all". With different installations ans servers the number with '_tog' changes. So, Inside Search Model's search Method I did Something like this,

$pagination = Utility::getPagination($params);

    $dataProvider = new ActiveDataProvider([
        'pagination' => $pagination,
        'query' => $query,
    ]);

I wrote a small utility function to check request param whether it contains "all" or "page" or nothing.

public static function getPagination($request_params){
    $param_val = 'page';
    foreach($request_params as $key => $value){
        if (strpos($key, '_tog') !== false) {
            $param_val = $value;
        }
    }
    $pagination = array();
    if($param_val == 'all'){ //returns empty array, which will show all data.
        return $pagination;
    }else if($param_val == 'page'){ //return pageSize as 5
        $pagination = ['pageSize' => 5];
        return $pagination;
    }
    return $pagination;  // returns empty array again.
}

Above code Works like charm. I am attaching proof of implementation and running scenarios below,

ON CLICKING "Page" (It enables pagination, my case, it is 5)

ON CLICKING "All" (It populates all data)