parameters.put(dataColumn.getParent().getClientId(context)
+ ":" + CHANGE_COL_VISIBILITY, dataColumn.getId());
JSFunction dropFunction = AjaxRendererUtils.buildAjaxFunction(
dataColumn, context);
dropFunction.addParameter(requestOpts);
actionScript = dropFunction.toScript();
}// if
writer.startElement("li", dataColumn);
writer.writeAttribute(HTML.class_ATTRIBUTE, "dt-menu-list-item"