code: public void setOptionsDataSource(Object optionsDataSource)
              throws JspException
      {
          if (optionsDataSource == null) {
              String s = Bundle.getString("Tags_AttrValueRequired", new Object[]{"optionsDataSource"});
              registerTagError(s, null);
              return;
          }
          _optionsDataSource = optionsDataSource;
      }
docs: Sets the options datasource value (an expression).
  @param optionsDataSource the options datasource
  @jsptagref.attributedescription Sets the options datasource value (an expression).
  @jsptagref.databindable true
  @jsptagref.attributesyntaxvalue <i>expression_optionsDataSource</i>
  @netui:attribute required="false" rtexprvalue="true" type="java.lang.Object"
  description="Sets the options datasource value."