public static function isChildVillage_service($BusinessId, $ChildBusinessId)
 {
     $ischild = false;
     $obj_retResult = DAL_manageVillage_service::getVillage_serviceListByBusinessId($ChildBusinessId);
     //get child node
     if ($obj_retResult->type == 1) {
         $arr_Village_serviceList = $obj_retResult->data;
         $obj_Village_service = $arr_Village_serviceList[0];
         $arrParentIds = explode(",", $obj_Village_service->Url);
         foreach ($arrParentIds as $Village_serviceParentId) {
             if ($Village_serviceParentId == $BusinessId) {
                 $ischild = true;
             }
         }
     }
     return $ischild;
 }