dedecms织梦模板调用上级栏目名称的方法代码

$row['parent_name'] = '';
    if($row['topid']){
     $row1 = $dsql->GetOne("select typename as parent_name from dede_arctype where id ='".$row['topid']."'");
       $row['parent_name'] = $row1['parent_name'];
      }