Kan inte calla min webservice, asp.net mvc

<script language="javascript" type="text/javascript">

function pageLoad() {

    test();
}

function test() {

    MvcApplication8.WebService1.HelloWorld(callback);
}

function callback(result) {

    alert(result);

}
</script>
<h2>Index</h2>

  <form runat="server">
<asp:ScriptManager runat="server" ID="scriptservice">
<Services>
<asp:ServiceReference Path="../../WebService1.asmx" />
</Services>
</asp:ScriptManager>
</form>

namespace MvcApplication8
{

[WebService(Namespace = "http://ebrandstedt.se/")]
[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
[System.ComponentModel.ToolboxItem(false)]
// To allow this Web Service to be called from script, using ASP.NET AJAX, uncomment the following line. 
[System.Web.Script.Services.ScriptService]
public class WebService1 : System.Web.Services.WebService
{

    [WebMethod]
    public string HelloWorld()
    {
        return "Hello World";
    }
}