public ActionResult Statistics([Bind(Include = "StatisticsType")] RequirementStatisticsSearchModel q)
        {
            if (string.IsNullOrWhiteSpace(q.StatisticsType))
            {
                q.StatisticsType = "DERIVEDTYPE";
            }
            IRequirementService          rs   = new RequirementService(Settings.Default.db);
            List <RequirementStatistics> reqs = rs.SearchStatistics(q);

            ViewBag.Query = q;
            SetSearchTypeList(q.StatisticsType);

            return(View(reqs));
        }