I assume you're using SOAP as the message format. In this case, the object you're serializing is not the root of the XML, the soap envelope is. So it makes sense that the XmlRoot would be ignored. By default WCF will create a message contract for you and name the response and it has the namespace of the service. What you can do is create your own message contract to have full control over SOAP.
Create the following two classes:
[MessageContract]
public class MyTestMethodRequest
{
[MessageBodyMember( Namespace = "http://datacontract" )]
public MyType MyType;
}
[MessageContract]
public class MyTestMethodResponse
{
[MessageBodyMember( Namespace = "http://datacontract" )]
public MyOtherType MyOtherType;
}
Then change the signature of your service operation to the following.
[OperationContract]
public MyTestMethodResponse MyTestMethod( MyTestMethodRequest request )
{
return new MyTestMethodResponse {
MyOtherType = new MyOtherType {
OtherStringValue = "bar"
}
};
}
Now if you example the SOAP messages you should see the following:
Request
<s:Envelope xmlns:s="http://schemas.xmlsoap.org/soap/envelope/">
<s:Header>
<Action xmlns="http://schemas.microsoft.com/ws/2005/05/addressing/none"
s:mustUnderstand="1">http://servicecontract/TestService/MyTestMethod</Action>
</s:Header>
<s:Body xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:xsd="http://www.w3.org/2001/XMLSchema">
<MyTestMethodRequest xmlns="http://servicecontract">
<MyType StringValue="foo" xmlns="http://datacontract" />
</MyTestMethodRequest>
</s:Body>
</s:Envelope>
Response
<s:Envelope xmlns:s="http://schemas.xmlsoap.org/soap/envelope/">
<s:Header />
<s:Body xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:xsd="http://www.w3.org/2001/XMLSchema">
<MyTestMethodResponse xmlns="http://servicecontract">
<MyOtherType OtherStringValue="bar" xmlns="http://datacontract" />
</MyTestMethodResponse>
</s:Body>
</s:Envelope>
与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…