public ActionResult DeleteConfirmed(int id)
        {
            paperkey paperkey = db.paperkey.Find(id);

            db.paperkey.Remove(paperkey);
            db.SaveChanges();
            return(RedirectToAction("Index"));
        }
 public ActionResult Edit([Bind(Include = "paper_id,key_id,aaa")] paperkey paperkey)
 {
     if (ModelState.IsValid)
     {
         db.Entry(paperkey).State = EntityState.Modified;
         db.SaveChanges();
         return(RedirectToAction("Index"));
     }
     ViewBag.key_id   = new SelectList(db.keyword, "Id", "key_name", paperkey.key_id);
     ViewBag.paper_id = new SelectList(db.paper, "Id", "title", paperkey.paper_id);
     return(View(paperkey));
 }
        // GET: paperkeys/Details/id
        public ActionResult Details(int?id)
        {
            if (id == null)
            {
                return(new HttpStatusCodeResult(HttpStatusCode.BadRequest));
            }
            paperkey paperkey = db.paperkey.Find(id);

            if (paperkey == null)
            {
                return(HttpNotFound());
            }
            return(View(paperkey));
        }
        // GET: paperkeys/Edit/5
        public ActionResult Edit(int?id)
        {
            if (id == null)
            {
                return(new HttpStatusCodeResult(HttpStatusCode.BadRequest));
            }
            paperkey paperkey = db.paperkey.Find(id);

            if (paperkey == null)
            {
                return(HttpNotFound());
            }
            ViewBag.key_id   = new SelectList(db.keyword, "Id", "key_name", paperkey.key_id);
            ViewBag.paper_id = new SelectList(db.paper, "Id", "title", paperkey.paper_id);
            return(View(paperkey));
        }