Returning XmlDocument from WCF service not working

Question

I am trying to update some WCF service methods that return strings to return XmlDocument objects. I\'ve tried returning it as-is and encapsulating it in a datacontract object. E

Answer 1

If you want to be able to pass arbitrary XML on the wire the best way to do it is to use XElement rather than XmlDocument

XmlDocument isn't serializable