Yii2 activeform ajax submit and validation

Question

Currently to achieve ajax submit and validation at the same time. I\'m using custom function like:

    $(\'.edit_form\').submit(function (e) {
        e.preventD         


        

Answer 1

you can use AjaxSubmitButton.

Your form should b

$form = ActiveForm::begin([
    'id' => "some_form",
    'action' => 'javascript:void(0)',
    'options' => ['class' => 'edit_form'],
]);

use AjaxSubmitButton here

AjaxSubmitButton::begin([
                                'label' => 'Submit',
                                'id' => 'some_form',
                                'ajaxOptions' => [
                                    'type' => 'POST',
                                    'url' => \yii\helpers\Url::to(['/user/edit']),
                                    'success' => new \yii\web\JsExpression(
                                            'function(data){
                                                if(data=="success")
                                                    {
                                                    }else{
                                                        $.each(data, function(key, val) {
                                                            $("#"+key).after("
"+val+"
");
                                                            $("#"+key).closest(".form-group").addClass("has-error");
                                                        });
                                                    }
                                                }'
                                    ),
                                ],
                                'options' => ['class' => 'btn btn-success', 'type' => 'submit'],
                            ]);
                            AjaxSubmitButton::end(); 

In your controller

public function actionEdit()
{
     $model = new User;
     if($model->save())
     {
        $result = 'success';
        Yii::$app->response->format = trim(Response::FORMAT_JSON);
                return $result;
     }else{
         $error = \yii\widgets\ActiveForm::validate($model);
                Yii::$app->response->format = trim(Response::FORMAT_JSON);
                return $error; 
     }
}