How to set select all button for checkboxlist

Yii 1.1 General Discussion
1

How to set select all button for checkboxlist? Help me

2

Got it From Another Forum


<?php echo $form->checkboxList($model, 'categories', CHtml::listData(Category::model()->findAll(), 'id_category', 'category'), array('template' => '<li>{input} {label}</li>', 'separator' => '<br><br>', 'checkAll' => 'Select All')); ?>