jak odebrać json

 public ActionResult GetCartCount()
        {
            int caounofcart = shoppingCartManager.GetCartItemsCount();
            return Json(new { name = caounofcart });
        }

$("#cartbox").text(updatecart);

function updatecart() {
$.getJSON("@Url.Action("GetCartCount", "Cart")", function (name) {
                    var textnowy = name[0];
                    $("#cartbox").text(textnowy);
                    return textnowy;
                });
            };

function updatecart() {
  $.getJSON('@Url.Action("GetCartCount", "Cart")', function (name) {
    alert(name["name"]);
    var textnowy = name["name"];
    $("#cartbox").text(textnowy);
  });
};

return Json(new { name = caounofcart }, JsonRequestBehavior.AllowGet);

function updateQuantity(){ 
...code...
updateCart();
...code...
}

function updateCart() {
                $.getJSON("@Url.Action("GetCartCount", "Cart")", function (data) {
                    $("#cartbox").text(data);
              });
 };

 
 public ActionResult GetCartCount()
        {
            int caounofcart = shoppingCartManager.GetCartItemsCount();
            return Json(caounofcart, JsonRequestBehavior.AllowGet);
        }