Thread: Name cannot begin with the '%' character, hexadecimal value 0x25. Line 1, position 2

OK, I'm not quite sure what you are trying to do here, but try starting your Page_Load method with the following:

Code:

        Response.Clear()
        Response.ContentType = "text/xml"
        Response.ContentEncoding = Encoding.UTF8

That should then provide pure XML to the output stream.