get value from modal form in action create

Hi everyone,

i trying to get value from modal popup form using renderAjax. how to get the value when we are in create action?

my action modal




public function actionList(){

        $searchModel = new PricelistSearch();

        $dataProvider = $searchModel->search(Yii::$app->request->queryParams);


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

            'searchModel' => $searchModel,

            'dataProvider' => $dataProvider,

        ]);

    }



modal view




<?php


use yii\helpers\Html;

use kartik\grid\GridView;


/* @var $this yii\web\View */

/* @var $searchModel app\models\PricelistSearch */

/* @var $dataProvider yii\data\ActiveDataProvider */

include '../config/exportConfig.php';


$this->title = 'List Harga';

$this->params['breadcrumbs'][] = $this->title;

?>

<div class="pricelist-index">   

    <?php

    $gridColumns = [            

        'id',

        'date',

        [

            'attribute' => 'agen_id',

            'value' => 'agen.agen_name'

        ],

        ['attribute' => 'price', 'format' => ['decimal', 0]],

        'remark_1:ntext',

        'remark_2:ntext',        

    ] ?>

    <?=

    GridView::widget([

        'id' => 'kv-grid-pricelist',

        'dataProvider'=>$dataProvider,

        'filterModel'=>$searchModel,

        'columns'=>$gridColumns,

        'containerOptions'=>['style'=>'overflow: auto'], 

        'headerRowOptions'=>['class'=>'kartik-sheet-style'],

        'filterRowOptions'=>['class'=>'kartik-sheet-style'],

        'pjax'=>true, // pjax is set to always true for this demo        

        // 'export'=>[

        //     'fontAwesome'=>true

        // ],        

        // parameters from the demo form

        'bordered'=>true,

        'striped'=>false,

        'condensed'=>true,

        'responsive'=>false,

        'hover'=>true,

        'showPageSummary'=>false,

        'panel'=>[

            'type'=>GridView::TYPE_PRIMARY,            

        ],

        'persistResize'=>false,

        'exportConfig'=>$defaultExportConfig,

    ]);

    ?>



my action create form




<div class="col-xs-4">

            <?= $form->field($model, 'price')->widget(\yii\widgets\MaskedInput::className(),

            [

                'clientOptions' => [

                    'alias' => 'numeric',

                    'groupSeparator' => ',',

                    'digits' => 0,

                    'autoGroup' => true,

                    'removeMaskOnSubmit' => true,

                    'rightAlign' => false,

                ]

            ]) ?>


        </div>

        <div class="col-xs-8">

            <div class="form-group field-poagen-price">

            <br>

            <?= Html::button('Price List', ['value' => Url::to('../pricelist/list'), 'class' => 'btn btn-primary', 'id' => 'pricelistModalButton']) ?>

            <?php 

                Modal::begin([

                        'header' => 'List Harga',

                        'id' => 'modal',

                        'size' => 'modal-md'

                    ]);

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

                Modal::end();

            ?>

            </div>

        </div>



and my registered js script




$(function(){

	$('#pricelistModalButton').click(function(){

		$('#modal').modal('show')

			.find('#modalContent')

			.load($(this).attr('value'));

	});

});



What should i do?

Thanks before.