public ActionResult Modify()
        {
            GrassrootNews g = new GrassrootNews();

            g.grassrootNews_id           = int.Parse(Request.Form["id"]);
            g.grassrootNews_title        = Request.Form["title"];
            g.grassrootNews_author       = Request.Form["author"];
            g.grassrootNews_source       = Request.Form["from"];
            g.grassrootNews_abstract     = Request.Form["abstract"];
            g.grassrootNews_release_time = DateTime.Now;

            String text = Request.Form["text"];

            text = text.Replace("#lt;", "<");
            text = text.Replace("#gt;", ">");
            g.grassrootNews_content = text;

            int categoryId = int.Parse(Request.Form["classify"]);

            g.district_id = categoryId;

            if (ModelState.IsValid)
            {
                gn.Entry(g).State = EntityState.Modified;
                gn.SaveChanges();
            }
            return(Content("修改成功"));
        }
        public ActionResult PublishNews()
        {
            GrassrootNews g = new GrassrootNews();

            g.grassrootNews_title        = Request.Form["title"];
            g.grassrootNews_author       = Request.Form["author"];
            g.grassrootNews_source       = Request.Form["from"];
            g.grassrootNews_abstract     = Request.Form["abstract"];
            g.grassrootNews_release_time = DateTime.Now;

            String text = Request.Form["text"];

            text = text.Replace("#lt;", "<");
            text = text.Replace("#gt;", ">");
            g.grassrootNews_content = text;

            int categoryId = int.Parse(Request.Form["classify"]);

            g.district_id = categoryId;
            g.disTrict    = gn.DistrictLists.Find(categoryId);

            if (ModelState.IsValid)
            {
                gn.grassrootNewsLists.Add(g);
                gn.SaveChanges();
            }
            return(Content("发布成功"));
        }
        public ActionResult Delete(int id)
        {
            GrassrootNews g = gn.grassrootNewsLists.Find(id);

            gn.grassrootNewsLists.Remove(g);
            gn.SaveChanges();
            return(Content("删除成功"));
        }
        public ActionResult DeleteMore()
        {
            GrassrootNews g    = null;
            String        data = Request.Form["ids"];

            String[] ids = data.Split(',');
            for (int i = 0; i < ids.Length; i++)
            {
                g = gn.grassrootNewsLists.Find(int.Parse(ids[i]));
                gn.grassrootNewsLists.Remove(g);
                gn.SaveChanges();
            }
            return(Content("删除成功"));
        }
        public ActionResult ModifyPage(int id)
        {
            GrassrootNews g = gn.grassrootNewsLists.Find(id);

            return(View(g));
        }
        public ActionResult GrassrootDetail(int id)
        {
            GrassrootNews singleNews = grassNewsContext.grassrootNewsLists.Find(id);

            return(View(singleNews));
        }