code: public String getValue(String propertyName, int index) throws JspCoreException {
          if (rows.size() > index) {
              QueryRow qr = (QueryRow) rows.elementAt(index);
              return (qr.getValue(propertyName));
          }
          else
              return (null);
      }
docs: This method was created in VisualAge.
  @return java.lang.String
  @param propertyName java.lang.String