public static function isChildVillage_traditionalknowledge($TblId, $ChildTblId)
 {
     $ischild = false;
     $obj_retResult = DAL_manageVillage_traditionalknowledge::getVillage_traditionalknowledgeListByTblId($ChildTblId);
     //get child node
     if ($obj_retResult->type == 1) {
         $arr_Village_traditionalknowledgeList = $obj_retResult->data;
         $obj_Village_traditionalknowledge = $arr_Village_traditionalknowledgeList[0];
         $arrParentIds = explode(",", $obj_Village_traditionalknowledge->Url);
         foreach ($arrParentIds as $Village_traditionalknowledgeParentId) {
             if ($Village_traditionalknowledgeParentId == $TblId) {
                 $ischild = true;
             }
         }
     }
     return $ischild;
 }