>I just took Rick Strahl's WWWC workshop this week, and he discussed that issue.
>
>Since the SOAP response is itself XML, then if you return an XML value inside a SOAP response package, your return-value XML stream must be encoded so as not to confuse the parser(s). I believe he said this is part of the W3C SOAP spec.
>
>I am unclear as to which class(es) actually handle the encoding/decoding. Maybe others here can give more "how-to" if this isn't enough of a hint to get you rolling.

I'm curious to know how much time other people might have spent to find that without knowing it. It took me a while last night to figure this out.