.NET XML Serializer

            MemoryStream memoryStream = new MemoryStream();
            XmlSerializer xs = new XmlSerializer(typeof(ConfigState));
            XmlTextWriter xmlTextWriter = new XmlTextWriter(memoryStream, Encoding.UTF8);
            xs.Serialize(xmlTextWriter, cs);
            string configXml = Encoding.UTF8.GetString(memoryStream.ToArray());