public JsonResult Index(CustomDataTableRequestHelper requestData) { try { #region " [ Declaration ] " EducationService _service = new EducationService(); #endregion #region " [ Main processing ] " if (requestData.Parameter1 == null) { requestData.Parameter1 = ""; } #endregion //Call to service Dictionary <string, object> _return = _service.List(requestData, UserID); if ((ResponseStatusCodeHelper)_return[DatatableCommonSetting.Response.STATUS] == ResponseStatusCodeHelper.OK) { DataTableResponse <EducationModel> itemResponse = _return[DatatableCommonSetting.Response.DATA] as DataTableResponse <EducationModel>; return(this.Json(itemResponse, JsonRequestBehavior.AllowGet)); } // return(this.Json(new DataTableResponse <EducationModel>(), JsonRequestBehavior.AllowGet)); } catch (ServiceException serviceEx) { throw serviceEx; } catch (DataAccessException accessEx) { throw accessEx; } catch (Exception ex) { throw new ControllerException(FILE_NAME, "Index", UserID, ex); } }