code: public String getValue(String propertyName) throws JspCoreException {
          // use current row 
          // get the value from hashtable and give it. Return null if property
          // not found ?? should we throw an error here ??
          String val = (String) row.get(propertyName);
          /*      if(val == null)
                {// invalid attribute
                   throw new JasperException((JspConstants.InvalidAttrName)+propertyName);
                }
                else
                {*/
          return val;
          //}
      }
docs: This method was created in VisualAge.
  @return java.lang.String
  @param propertyName java.lang.String