public JsonResult FDP_Read([DataSourceRequest] DataSourceRequest request, int?adminUnitID) { var fdps = _fdpService.Get(t => t != null && (t.AdminUnitID == adminUnitID)); var fdpsViewModel = FDPViewModelBinder.BindListFDPViewModel((List <FDP>)fdps); return(Json(fdpsViewModel.ToDataSourceResult(request), JsonRequestBehavior.AllowGet)); }