$Extraparams In Yiibooster Tbgridview

Hi, i need pass a parameters to TbGridView, and use in a $gridColumn’s urlButton, but he acusse “Undefined variable: service_id”

Controller code:




'url'=>'Yii::app()->createUrl("service/addbusiness", array("business_id"=>$data["id"],"service_id"=>$service_id))'



View code:




<?php $this->widget('booster.widgets.TbExtendedGridView', array(

	'type' => 'striped bordered condensed',

	'enablePagination'=>true,

	'extraParams' => array('service_id'=>$service_id),

	'dataProvider' => $business->search(),

	'template' => "{items}",

	'filter' => $business,

	'columns' => $gridColumns

	));

?>



Thanks