Some time ago got the problem with CGridView and CCheckBoxColumn ajax actions with CSRF protection on.
Here is my solution also with CGridView update.
Hope the code could be useful for the others.
<?php
$this->widget('zii.widgets.grid.CGridView', array(
'id'=>'grid_view_id',
'dataProvider'=>$model->search(),
'filter'=>$model,
'columns'=>array(
array('name'=>'user_id'),
array(
'class'=>'CCheckBoxColumn',
'id'=>'check_box_id',
'selectableRows'=>2,
),
),
));
?>
<?php
echo CHtml::ajaxLink('ClickMe',Yii::app()->createUrl('controller/action'),
array(
'type'=>'POST',
'data'=>'js:{"ids" : $.fn.yiiGridView.getChecked("grid_view_id","check_box_id").toString(),"YII_CSRF_TOKEN" : "'.Yii::app()->request->csrfToken.'"}',
'success'=>"$('#grid_view_id').yiiGridView.update('grid_view_id')"
)
);
?>
Comments are appreciated.
Cheers.