$criteria->compare('branch_id',$branch_id);
        $criteria->compare('classification',$classification) ;

        $criteria   ->beginSubCriteria()
                    ->compare('item_code', $_GET['item_code'], TRUE)
                    ->compare('description', $_GET['item_code'], TRUE, 'OR')
                    ->endSubCriteria();

        $count = ItemHeader::model()->count($criteria);