public List <RankListTop20> GetRankListTop20List(ref DataPage dp, RankListTop20 searchRankListTop20)
        {
            _admin = new CampEventsAdminService.CampEventsAdminServiceClient();
            List <RankListTop20> lists = new List <RankListTop20>();

            try
            {
                lists = _admin.GetRankListTop20List(ref dp, searchRankListTop20);
                _admin.Close();
                return(lists);
            }
            catch (Exception ex)
            {
                _admin.CloseCatch(ex, "GetRankListTop20List failed");
                return(lists);
            }
        }