private static string SimpleGrid <T>(this HtmlHelper html, IEnumerable <T> listItems, IEnumerable <ColumnOption <T> > options, GridOption <T> gridOption, bool showHeader)
        {
            ContainerElement container = new ContainerElement();

            container.Class("table-container");
            if (gridOption != null && gridOption.Style != null)
            {
                container.Class("table-container").Style(gridOption.Style);
            }
            TagBuilder builder = new TagBuilder("table");

            builder.AddCssClass("table-list maxwidth");
            builder.MergeAttribute("border", "0");
            builder.MergeAttribute("cellpadding", "0");
            builder.MergeAttribute("cellspacing", "0");

            if (showHeader)
            {
                builder.InnerHtml += BuildListDataHeader <T>(html, options, gridOption);
            }
            if (listItems != null && listItems.Count() > 0)
            {
                bool isAltRow = false;
                foreach (var item in listItems)
                {
                    builder.InnerHtml += BuildListDataRow(html, item, options, isAltRow, gridOption);
                    isAltRow           = !isAltRow;
                }
            }
            else if (gridOption == null || gridOption.Style == null || !gridOption.Style.Contains(HtmlStyleAttribute.Height))
            {
                builder.InnerHtml += BuildListEmptyDataRow(html, options);
            }
            container.InnerElement(new TextElement().InnerText(builder.ToString()));
            return(container.ToString());
        }