public ActionResult GetEntities(Pager pager) { QueryParam queryParam = new QueryParam { pager = pager }; var extendParams = Request.Params["extendParams"]; if (extendParams != null) { JavaScriptSerializer js = new JavaScriptSerializer(); List <FilterModel> filters = js.Deserialize <List <FilterModel> >(extendParams); Dictionary <string, FilterModel> filterSet = filters.ToDictionary(key => key.key, model => model); queryParam.filters = filterSet; } OperateResult or = AssessmentManager.GetByPager(queryParam); if (or.status == OperateStatus.Success && or.data != null) { return(Json(or.data, JsonRequestBehavior.AllowGet)); } return(Json(or, JsonRequestBehavior.AllowGet)); }