public ActionResult LoadEmployeeAge() { QueryParam queryParam = new QueryParam(); 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 = EmployeeManager.AnalyseByAge(queryParam); if (or.status != OperateStatus.Success && or.content != null) { return(Json(or, JsonRequestBehavior.AllowGet)); } //JavaScriptSerializer js = new JavaScriptSerializer(); return(Json(or, JsonRequestBehavior.AllowGet)); }