public ActionResult BurnDown(long id = 0)
        {
            var context    = new ContextImplement();
            var controller = new Implem.Pleasanter.Controllers.ItemsController();
            var htmlOrJson = controller.BurnDown(context: context, id: id);

            if (!Request.IsAjaxRequest())
            {
                ViewBag.HtmlBody = htmlOrJson;
                return(View());
            }
            else
            {
                return(Content(htmlOrJson));
            }
        }