```cs XmlDocument doc = new XmlDocument(); using(XmlWriter writer = doc.CreateNavigator().AppendChi

XmlDocument doc = new XmlDocument();

using(XmlWriter writer = doc.CreateNavigator().AppendChild())
{
    new XmlSerializer(o.GetType()).Serialize(writer, o);
}

return doc.DocumentElement.whatever.InnerXml

XmlDocument doc = new XmlDocument();

using(XmlWriter writer = doc.CreateNavigator().AppendChild())
{
    new XmlSerializer(o.GetType()).Serialize(writer, o);
}

return doc.DocumentElement.whatever.InnerXml