//
        // GET: /TestPager/

        public ActionResult Index(string title, string author, string source, int id = 1)
        {
            var qry = AllArticles.AsQueryable();

            if (!string.IsNullOrWhiteSpace(title))
            {
                qry = qry.Where(a => a.Title.Contains(title));
            }
            if (!string.IsNullOrWhiteSpace(author))
            {
                qry = qry.Where(a => a.Author.Contains(author));
            }
            if (!string.IsNullOrWhiteSpace(source))
            {
                qry = qry.Where(a => a.Source.Contains(source));
            }
            var model = qry.OrderByDescending(a => a.PubDate).ToPagedList(id, 5);

            if (Request.IsAjaxRequest())
            {
                return(PartialView("ArticleListPartial", model));
            }


            return(View(model));
        }
        public ActionResult Search(int id = 1, string kword = null)
        {
            var query = AllArticles.AsQueryable();

            if (!string.IsNullOrWhiteSpace(kword))
            {
                query = query.Where(a => a.Title.Contains(kword));
            }
            var model = query.OrderByDescending(a => a.PubDate).ToPagedList(id, 5);

            return(View(model));
        }