public ActionResult GetInstallationsReport([DataSourceRequest] DataSourceRequest request, int?userId, int?periodSelectionKind, int?typeId, bool?isactive)
{
ReportEnums.ePeriodSelectionKinds?kind = periodSelectionKind != null
? (ReportEnums.ePeriodSelectionKinds?)periodSelectionKind.ToPeriodSelectionKind() : null;
var list = _reportServices.GetInstallationsReport(kind, userId, typeId, isactive).OrderByDescending(x => x.AddOn).ToArray();
return(Json(list.ToDataSourceResult(request), JsonRequestBehavior.AllowGet));
}