public JsonResult GetCountries(string term) { try { CommonModel model = new CommonModel(); model.SearchString = term; List <CommonModel> countryList = model.GetCountries(); var jsonData = new { rows = (from data in countryList select new { i = data.CountryID, cell = new string[] { data.CountryName.ToString(), } }).ToList() }; return(Json(jsonData, JsonRequestBehavior.AllowGet)); } catch (Exception ex) { UtilityController.LogException(ex, MethodBase.GetCurrentMethod().ReflectedType.Name, MethodBase.GetCurrentMethod().Name); return(null); } }