public string ToXml()
{
XmlTextWriter writer = XmlAPI.CreateWriter();
writer.WriteStartElement(orderTag);
// write the non-note PO details directly from the object
this.Order.WriteOrderDetailsXml(writer);
NoteInfo.WriteNotes(writer, this.Order.Notes, existingNotesTag);
NoteInfo.WriteNotes(writer, this.NewNotes, newNotesTag);
PhotoInfo.WritePhotos(writer, this.Order.Photos, existingPhotosTag);
PhotoInfo.WritePhotos(writer, this.NewPhotos, newPhotosTag);
writer.WriteElementString(statusTag, this.Status.ToString());
writer.WriteEndElement();
return(XmlAPI.FlushWriter(writer));
}