form and grid in Tabs-widget

I am trying to render both a form and related grid view in Tabs widget.

I am not able to find any error. No errors is being generated.

But I am not getting the grid to show on the page.




<?php

echo Tabs::widget([

    'items' => [

        [

            'label' => 'State',

            'content' => $form->field($model, 'state_name')->textInput(['maxlength' => 100])       

            .'<div class="form-group">' .

            Html::submitButton($model->isNewRecord ? 'Create' : 'Update', ['class' => $model->isNewRecord ? 'btn btn-success' : 'btn btn-primary']) .'</div>',

            'active' => true,

            $dataProvider = new ActiveDataProvider(['query' => State::find(),'pagination' => ['pageSize' => 5]]),

              

            GridView::widget([

            'dataProvider' => $dataProvider,

            //'filterModel' => $searchModel,

            'columns' => [

            ['class' => 'yii\grid\SerialColumn'],

            'id',

            'state_name',

            ['class' => 'yii\grid\ActionColumn'],

        ],

    ])   

        ],



Maybe you have to use render() ?

Example:

Its better if u use


'content' => $this->renderPartial('form_file')

then again render gridfile or make grid in form file