code: public BaseField setupField(int iFieldSeq)
      {
          BaseField field = null;
          //if (iFieldSeq == kID)
          //  field = new CounterField(this, "ID", Constants.DEFAULT_FIELD_LENGTH, null, null);
          if (field == null)
          {
              field = super.setupField(iFieldSeq);
              if (field == null) if (iFieldSeq < kControlRecordLastField)
                  field = new EmptyField(this);
          }
          return field;
      }
docs: Add this field in the Record's field sequence.