public List <Billing_Header_Info> Billing_Search(string p_user_name, string p_key_search, ref decimal p_total_record, string p_from = "1", string p_to = "10", string p_sort_type = "ALL") { try { Billing_DA _da = new Billing_DA(); DataSet _ds = _da.Billing_Search(p_user_name, p_key_search, p_from, p_to, p_sort_type, ref p_total_record); return(CBO <Billing_Header_Info> .FillCollectionFromDataSet(_ds)); } catch (Exception ex) { Logger.LogException(ex); return(new List <Billing_Header_Info>()); } }