Refresh Page controller and java script

 refresh by : controler > 

return Redirect(Request.UrlReferrer.ToString());

public virtual ActionResult Remove(string productId, string variationId, string prepackId, string unitOfMeasureId, string salesAgreementLineNo)
        {
            var lines = ShopApi.Basket.ExtractLines(productId, variationId, prepackId, unitOfMeasureId, salesAgreementLineNo);
            if (lines.Any())
            {
                var result = CreateTrackingModelForModifiedBasketLines(lines);
                //return Json(result);
                return Redirect(Request.UrlReferrer.ToString());
            }
            return Json(false); 
        }

by java script

location.reload();

function sendPromoCode() {
                var newOrderTemplateName = $("#txtPromotionCode").val();
 
                alert(newOrderTemplateName);
 
                $.ajax({
                    url: Sana.Urls.Home() + 'basket/showpaynextorder',
                    method: "POST",
                    data: { code: newOrderTemplateName }
                    ,
                    error: function () {
                        alert("Ajax call failed");
                    }
                }).done(function (data) {
 
                    alert("ok");
                    location.reload();                  

                })
            }