How to load selected list items in multiple-select-listbox in update view in yii? -

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i have multiple select-list-box staff in create-service-form, used select multiple staff when creating new service. can assign multiple staff on single service.


i saved staff_id field as:
$model->staff_id = serialize($model->staff_id);


here update-view code multiple-select-list-box:

<div class="row">     <?php echo $form->labelex($model,'staff_id'); ?>     <?php           $data = array('1' => 'sam', '2' => 'john', '3' => 'addy');           $htmloptions = array('size' => '5', 'prompt'=>'use ctrl select multiple staff', 'multiple' => 'multiple');           echo $form->listbox($model,'staff_id', $data, $htmloptions);      ?>     <?php echo $form->error($model,'staff_id'); ?> </div>

problem is, when load form updating service. how select staff, saved in database?

i tried this dropdownlist-attributes, not working.
$select | string | selected value

if has solution, suggest me. mates...

here's quick code wrote you, example understand how works.

<div class="row">   <?php echo $form->labelex($model,'staff_id'); ?>   <?php      $data = array('101' => 'faraz khan', '102' => 'depesh saini', '103' => 'nalin gehlot', '104' => 'hari maliya');     $selected   = array(       '102' => array('selected' => 'selected'),       '103' => array('selected' => 'selected'),     );     $htmloptions = array('size' => '5', 'prompt'=>'use ctrl select multiple staff', 'multiple' => 'true', 'options' => $selected);     echo $form->listbox($model,'staff_id', $data, $htmloptions);   ?>   <?php echo $form->error($model,'staff_id'); ?>  </div>

have fun ya !!!


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