<div class="sysconfigmain-form">
<?php
$form = ActiveForm::begin();
?>
<?php
echo $form->field($model, 'provcode')->dropDownList(ArrayHelper::map(Campur::find()->all(), 'changwatcode', 'changwatcode'), array('id' => 'provcode', 'onchange' => '$.post("index.php?r=sysconfigmain/listamp&provcode="+this.value,function(data){
$("#ampurcodefull").html(data);
$("#sysconfigmain-distcode").val(data.substring(3,4));
});'));
?>
<?php
echo $form->field($model, 'district_code')->dropDownList(ArrayHelper::map(Campur::find()->where(['changwatcode' => $model->provcode])->all(), 'ampurcodefull', 'ampurname'), array('id' => 'ampurcodefull', 'prompt' => '--อำเภอ--'));
?>
<?php
echo $form->field($model, 'note1')->textInput();
?>
<?php
echo $form->field($model, 'note2')->widget(\yii\jui\DatePicker::classname(), ['language' => 'th', 'dateFormat' => 'yyyy-MM-dd', 'clientOptions' => ['changeMonth' => true, 'changeYear' => true]]);
?>
<div class="form-group">
public function actionListamp($provcode)
{
$amp = Campur::find()->where(['changwatcode' => $provcode])->all();
foreach ($amp as $a) {
echo "<option value='{$a->ampurcodefull}'>{$a->ampurname}</option>";
}
}