surat/frontend/modules/register/views/case/external.php

<?php

use kartik\icons\Icon;
use yii\grid\GridView;

$this->title = 'ลงทะเบียน External (EX)';
$this->params['breadcrumbs'][] = $this->title;
//var_dump(CaseSurgical::find()->one());
?>

<?= $this->render('_form_external', [
    'model' => $model,
    //'patient' => $patient,
]) ?>

<?php /*GridView::widget([
    'dataProvider' => $dataProvider,
    'filterModel' => $searchModel,
    'columns' => [
        'id_case',
        ''
    ]
])*/ ?>