public function AdminGetParentOrgId($orgId)
 {
     $this->CheckAndSetHeader(__FUNCTION__);
     $reg_args = array();
     if ($orgId > 0) {
         $reg_args["child_orgId"] = $orgId;
     } else {
         throw new CbgrnSoapFault("002", __FUNCTION__);
     }
     $this->encodeString($reg_args);
     $results = parent::AdminGetParentOrgId($reg_args);
     $this->methodClose();
     return $this->decodeString($results->parent_orgId);
 }