docs: public String getSFieldProperty(String strFieldName)
      {
          String strValue = super.getSFieldProperty(strFieldName);
          if (strValue == null)
              if (this.getParentScreen() != null)
                  if (DBConstants.SUBMIT.equalsIgnoreCase(this.getParentScreen().getProperty(DBParams.COMMAND)))
                      strValue = DBConstants.NO;    // If you submit a checkbox that is off, the param is not passed (null) so I need a No.
          return strValue;
      }