public function GetAll()
 {
     $pg = $this->_getPagination();
     $db = $this->_openDb();
     $allRows = $db->GetAllRows();
     $count = sizeof($allRows);
     if ($count < $pg->Skip) {
         ApiBase::ReturnResult(null);
     }
     $result = array();
     for ($i = $pg->Skip; $i < $count && $i < $pg->Skip + $pg->Top; $i++) {
         $result[] = $allRows[$i];
     }
     ApiBase::ReturnSuccess($result);
 }