private HtmlTag buildTopNode()
{
HtmlTag tag = new HtmlTag("table").Attr("cellPadding", "0").Attr("cellSpacing", "0").AddClass(GrammarConstants.GRAMMAR_SELECTOR).Hide();
HtmlTag headerCell = tag.Add("thead/tr/td").AddClass(GrammarConstants.HEADER_CONTAINER);
headerCell.Add("span").Text(_fixture.Policies.AddGrammarText);
headerCell.Add("span").AddClass(GrammarConstants.SELECTION_REQUIRED).Text(GrammarConstants.REQUIRED).Render
(_fixture.IsSingleSelection());
headerCell.ActionLink(GrammarConstants.CLOSE, GrammarConstants.CLOSER).Render(!_fixture.IsSingleSelection());
return tag;
}