Cart sublayout that loads an MVC powered cart item

CartPage.ascx

<%@ Control Language="c#" AutoEventWireup="true" TargetSchema="http://schemas.microsoft.com/intellisense/ie5" %>

<asp:Panel runat="server" ID="pnlMvcShoppingCart" ClientIDMode="Static">
    <div class="loader loader-bar" style="margin: 200px 0"></div>
</asp:Panel>

<script src="/ui/trede/js/libs/jquery-2.2.4.min.js"></script> 

<script type="text/javascript">
    $(document).ready(function() { 
        (function () {
            $("#pnlMvcShoppingCart").load("/<%=Sitecore.Context.Language.Name%>/Commerce/Pages/Cart%20Page?ajax=true", function (response, status, xhr) {
                if (status == "error") {
                    var msg = "Sorry but there was an error: ";
                    $("#pnlMvcCheckout").html(msg + xhr.status + " " + xhr.statusText);
                }
            });
            
        })();
    });
</script>