php - CGridview Conditional display related model data -

i trying filter product record in gridview category_id

i have 3 table

productmst(product_id,name)

categorymst(category_id,category_nme)

promoteduserproduct(category_id,product_id) ====> junction table

productmst model rules this

   public function relations() {      return array(         'categorymsts' => array(self::many_many, 'categorymst', 'promoted_user_product(user_product_id, category_id)'),      ); } 

controller code this

         $criteria=new cdbcriteria();     $categorycondition=array();       if(isset($_get['category_id']) && $_get['category_id']!==""){              $categorycondition=array('select'=>false,                 'condition'=>'categorymsts.category_id=1',                 'jointype'=>'inner join ');     }      $criteria->with=array(             'categorymsts'=>$categorycondition);        $dataprovider=new cactivedataprovider('userproductdtl',array(         'pagination'=>array(             'pagesize'=>$pagesize,             ),         'criteria'=>$criteria,         ));     $this->render('index',         array('dataprovider'=>$dataprovider)); 

i not able filter record, can me out?

change this

$categorycondition=array(     'select'=>false,     'condition'=>'category_id=:category_id',     'params'=>['category_id'=>$_get['category_id'],     'jointype'=>'inner join ' );