yii2 modal popup

yii2 basicนะครับ index.php
1.<?php Modal::begin([

'id' => 'modal',

'header' => '<h4><a color-blue>CREATE PERMITS</a></h4>',

'size'=>'modal-lg',

'footer' => '<a href="#" class="btn btn-primary" data-dismiss="modal">ปิด</a>',

]);

echo "<div id='modalContent'></div>";

Modal::end();

?>

2.วาง Link:::

<p>

<?= Html::button('เพิ่มรางวัลดีเด่น', ['value'=>Url::to(['awarduload/create']), 'class' =>

'btn btn-danger','id'=>'modalButton']); ?>

</p>

3.ท้ายindex.php

<?php

$this->registerJsFile('@web/js/main.js', ['depends' => [\yii\web\JqueryAsset::className()]]);

?>

4.controller

public function actionCreate()

{

$model = new Awarduload();

if ($model->load(Yii::$app->request->post()) && $model->save()) {

return $this->redirect(['index', 'id' => $model->id]);

} else {

return $this->renderAjax('create', [

'model' => $model,

]);

}

}

https://alcaponpo.wordpress.com/2018/11/03/gridview-click-%E0%B9%81%E0%B8%A5%E0%B9%89%E0%B8%A7%E0%B9%81%E0%B8%AA%E0%B8%94%E0%B8%87-modal-popup/