static public string XMLDocumentToString(ref XMLDocument doc)

{

MemoryStream stream = new MemoryStream();

XMLTextWriter writer = new XMLTextWriter(stream, null);

writer.Formatting = Formatting.Indented;

doc.Save(writer);

StreamReader sr = new StreamReader(stream, System.Text.Encoding.UTF8);

stream.Position = 0;

string XMLString = sr.ReadToEnd();

sr.Close();

stream.Close();

return XMLString;

}