I think only the PUT and DELETE HTTP operations are blocked by the WebDav module on IIS. By default, a POST operation should be allowed, since this is commonly used in HTML as a form results in a POST operation.
Nevertheless, you can try to see if this solves the issue, but I'd expect it more on the PUT and DELETE operation.
Be nice to nerds ... Chances are you'll end up working for one!
access cross site network resources. If you want to access the service from cross site, please make your service support cross site access control, you can refer to
http://www.w3.org/TR/2008/WD-access-control-20080214/ for detailed information.