public ActionResult ViewAppraisalApprovers(string FilterBy = "") { System.Configuration.Configuration rootWebConfig = System.Web.Configuration.WebConfigurationManager.OpenWebConfiguration("~/"); System.Configuration.KeyValueConfigurationElement CurrentAppraisalPeriod = rootWebConfig.AppSettings.Settings["CurrentAppraisalPeriod"]; List <AppraisalApproverModel> appraisalApproverModel = LINQCalls.getApproverSetupList(); if (!String.IsNullOrEmpty(FilterBy)) { appraisalApproverModel = FilterAppraisalApproverList(appraisalApproverModel, FilterBy.ToUpper()); } return(View(appraisalApproverModel)); }