jquery ajax web services

<script src="Scripts/jquery-1.4.1.min.js" type="text/javascript"></script>
<script language="javascript" type="text/javascript">

         function Run() {
             $.ajax({

                 // The 'type' property sets the HTTP method.
                 // A value of 'PUT' or 'DELETE' will trigger a preflight request.
                 type: 'POST',

                 // The URL to make the request to.
                 url: 'http://asdfasdfasdfasdfasd.com/wcf/order/Service1.svc/PostNoData',

                 // The 'contentType' property sets the 'Content-Type' header.
                 // The JQuery default for this property is
                 // 'application/x-www-form-urlencoded; charset=UTF-8', which does not trigger
                 // a preflight. If you set this value to anything other than
                 // application/x-www-form-urlencoded, multipart/form-data, or text/plain,
                 // you will trigger a preflight request.
                 contentType: 'application/x-www-form-urlencoded; charset=UTF-8',

                 xhrFields: {
                     // The 'xhrFields' property sets additional fields on the XMLHttpRequest.
                     // This can be used to set the 'withCredentials' property.
                     // Set the value to 'true' if you'd like to pass cookies to the server.
                     // If this is enabled, your server must respond with the header
                     // 'Access-Control-Allow-Credentials: true'.
                     withCredentials: false
                 },

                 headers: {
                     // Set any custom headers here.
                     // If you set any non-simple headers, your server must include these
                     // headers in the 'Access-Control-Allow-Headers' response header.
                 },

                 success: function () {
                     // Here's where you handle a successful response.
                     alert("Success");
                 },

                 error: function () {
                     // Here's where you handle an error response.
                     // Note that if the error was due to a CORS issue,
                     // this function will still fire, but there won't be any additional
                     // information about the error.
                     alert("Error");
                 }
             });
         }
</script>



    [OperationContract]
    [WebInvoke(Method = "POST", BodyStyle = WebMessageBodyStyle.Wrapped, ResponseFormat = WebMessageFormat.Json)]
    string PostNoData();


    public string PostNoData()
    {
        return "No Data";

    }


Now, when I try to run on Firefox and it ends up below error:

Request Method: Post
Status Code: 400 Bad Request

The issue is I can't see the wcf services. And I just want to try out and see what I can do.
LVL 1
ITsolutionWizardAsked:
Who is Participating?
 
Dany BalianConnect With a Mentor CTOCommented:
try setting the type as GET, and see if the parameters are being sent out correctly, and what the webservice is returning! is the webservice wcf running??
0
 
ITsolutionWizardAuthor Commented:
same issue even i try get method
0
 
Dany BalianCTOCommented:
what error are you getting when you run the code?
and what happens when you type: http://asdfasdfasdfasdfasd.com/wcf/order/Service1.svc/PostNoData in the browser?
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