private static RadDocument GetDocumentFromDocx(byte[] docx)
        {
            RadDocument result;
            if (docx == null || docx.Length == 0)
            {
                result = new RadDocument();
            }
            else
            {
                IDocumentFormatProvider provider = new DocxFormatProvider();
                result = provider.Import(docx);
            }
            return result;
        }
Everything works fine, but when I directly open up the file and edit it and save and then import (above), everything is underlined.  So then I have to select all and un-underline it from the radrichtextbox, to save.  Then it's Ok.  When I open up the saved file in M. Word, it is not underlined.
Using silverlight controls installation from 2011 3rd quarter (not the latest).