docs: public String getSFieldValue(boolean bDisplayFormat, boolean bRawData)
      {
          Convert converter = this.getConverter();
          if (converter == null)
              return Constant.BLANK;
          if (bRawData)
          {
              converter = converter.getField();
              if (converter == null)
                  return Constant.BLANK;
          }
          return converter.getString();
      }