Question

I have a WCF Service and I am able to GET from it but I can’t work out how to PUT to it. I just want to increment a hits field each time the record is used in the client. Here is some of my code.

Interface:

[OperationContract]
[WebInvoke(Method = "PUT",
    ResponseFormat = WebMessageFormat.Json,
    BodyStyle = WebMessageBodyStyle.Wrapped,
    UriTemplate = "IncSMS")]
void IncSMS();

Method:

public void IncSMS()
{
    var business =
        (from p in _db.Businesses
            where p.BusinessID == 1
            select p).FirstOrDefault();
    business.SMSHits += 1;
    _db.SaveChanges();
}

I’m getting “Method not allowed.” In IE, can anyone see what I’m doing wrong???

Cheers,

Mike.

Answer 1

Well, I asked the question and it took me three days to find the answer to something that should have been very simple.

So the question ended up being: How do I add a Content-Length header to my request???

Answer: You can’t add Content-Length to a URI when typed into a browser, “because by default it will perform a GET”!!! To add Content-Length to your header you must use a debugging tool, e.g.. Fiddler or build a form or some other type of client!

In fiddler you simply type Content-Length: 0 in the “Request Headers” section of the “Request Builder” and it will magically work! As seen near the bottom of this tutorial: http://blog.donnfelker.com/2008/12/04/how-to-rest-services-in-wcf-3-5-part-2-the-post/

Thanks guys,

Mike.