protected PagedCollection <T> GetPageItem(IEnumerable <SearchCriteria> searches, LogicalOperator logical = LogicalOperator.and, IEnumerable <SortDescription> sorting = null, int?pageCount = null) { var query = QueryStringHelper.CombineQuery(searches, logical, sorting, null); var result = Service.GetRange(CompanyFile, query, CompanyCredential); return(result); }