Call WCF sevice using only WebClient and SOAP xml

14 Dec

Did you ever had to call wcf service using regular SOAP “XML” and C# without adding a web/service reference to your project and proxy class.

Actually You can send SOAP directly to a WCF service without creating a proxy class. This is very easy. All you have to do is create a WebClient object and set “Content-Type” and “SOAPAction” headers then upload the SOAP message to the service. The code will be something like that

using (var client = new WebClient())
    var data = GetSoap();
    client.Headers.Add("Content-Type", "text/xml;charset=utf-8");
    client.Headers.Add("SOAPAction", "\"\"");
    var response = client.UploadString("http://localhost:1234/MyService.svc", data);

As you noticed there is no magic here except for the GetSoap() method. It can be from previously saved requests from your service, or you can make up a soap body yourself. This also is not that hard. Let’s look at a SOAP envelop before we continue.

<s:Envelope xmlns:s="">
        <MyOperation xmlns="">

This SOAP envelop is for a request made to MyService WCF service to call MyOperation method which accepts 3 parameters name, email and phone. Very easy isn’t it?. I think anyone can construct SOAP envelop.

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Posted by on December 14, 2012 in C#


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