MemoryStream w = new MemoryStream();
XmlTextWriter writer = new XmlTextWriter(w, Encoding.Unicode);
XmlDocument document = new XmlDocument();
document.LoadXml(xmlString);
writer.Formatting = Formatting.Indented;
document.WriteContentTo(writer);
writer.Flush();
w.Seek(0L, SeekOrigin.Begin);
StreamReader reader = new StreamReader(w);
return reader.ReadToEnd();
