public string GetNotes(string accessToken, int orderID) { logMethodInvocation(); checkAccessToken(accessToken); try { using (CFIEntities db = new CFIEntities()) { PONote[] poNotes = getPONotesByOrderID(orderID, db); if (poNotes == null) { return(null); } else { NoteInfo[] notes = ConversionUtils.ToNoteInfoArray(poNotes, db); return(NoteInfo.BuildNotesXml(notes)); } } } catch (Exception ex) { logException(ex); return(null); } }