public ActionResult GetReferals([DataSourceRequest]DataSourceRequest request, ReferalDataFilter dataFilter)
        {
            var response = DataProvider.GetList(dataFilter ?? new ReferalDataFilter());

            return Json(response.ToDataSourceResult(request));
        }
        public ActionResult GetReferals([DataSourceRequest] DataSourceRequest request, ReferalDataFilter dataFilter)
        {
            var response = DataProvider.GetList(dataFilter ?? new ReferalDataFilter());

            return(Json(response.ToDataSourceResult(request)));
        }