如何啓用AjaxValidtion對於具體將文章yii2

Question

我有以下字段只把阿賈克斯Valiadtion

 <?= 
     $form->field($questionModel, 
     'questions_options_order')->dropDownList(Yii::$app->controller->optionsOrderArr 
     , ['class' => 'form-control required']) 
    ?> 

Answer 1

型號rulse

public function rules() 
    { 
     return [ 
     [['questions_options_order'], 'required'], 
     ]; 
    } 

查看這個樣子的

<?= 
     $form->field($questionModel, 
     'questions_options_order')->dropDownList(Yii::$app->controller->optionsOrderArr 
     , ['prompt' => 'Select options Type']) 
    ?> 

Answer 2

> Put Enable Ajaxvalidation true specific filed 
<?= 
     $form->field($oModel, 'variable_file',['enableAjaxValidation' => false])->widget(FileInput::classname(), [ 
     'options'  => ['accept' => 'csv', 'class' => 'required file_input'], 
     'pluginOptions' => ['allowedFileExtensions' => ['csv']] 
     ]); 
    ?>