public ActionResult Discussion(string Id, string state, int itemId)
        {
            DataRepository helper = new DataRepository();

            Item item = helper.getItem(itemId);
            IList<ItemComment> comments = helper.getComments(itemId);
            IList<Link> links = helper.getLinks(itemId);
            string topLink = helper.getTopLink(itemId);
            string youtubeLink = helper.getTopYoutubeLink(itemId);

            DiscussionViewModel model = new DiscussionViewModel(itemId, comments, links, Id, state, item,"","",topLink,youtubeLink);

            return View(model);
        }