return (string) o;
case TypeCode.DateTime:
return XmlConvert.ToString ((DateTime) o, XmlDateTimeSerializationMode.RoundtripKind);
+ case TypeCode.Decimal:
+ return ((decimal) o).ToString (CultureInfo.InvariantCulture);
case TypeCode.Double:
return ((double) o).ToString ("r", CultureInfo.InvariantCulture);
case TypeCode.Single: