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

            db.DanhHieu.Remove(danhhieu);
            db.SaveChanges();
            return(RedirectToAction("Index"));
        }
        //
        // GET: /DanhHieu/Details/5

        public ActionResult Details(int id = 0)
        {
            DanhHieu danhhieu = db.DanhHieu.Find(id);

            if (danhhieu == null)
            {
                return(HttpNotFound());
            }
            return(View(danhhieu));
        }
 public ActionResult Edit(DanhHieu danhhieu)
 {
     if (ModelState.IsValid)
     {
         db.Entry(danhhieu).State = EntityState.Modified;
         db.SaveChanges();
         return(RedirectToAction("Index"));
     }
     ViewBag.TenDanhHieu_id = new SelectList(db.dmDanhHieu, "id", "TenDanhHieu", danhhieu.TenDanhHieu_id);
     ViewBag.NV_id          = new SelectList(db.NhanVien, "id", "MaNV", danhhieu.NV_id);
     return(View(danhhieu));
 }
        //
        // GET: /DanhHieu/Edit/5

        public ActionResult Edit(int id = 0)
        {
            DanhHieu danhhieu = db.DanhHieu.Find(id);

            if (danhhieu == null)
            {
                return(HttpNotFound());
            }
            ViewBag.TenDanhHieu_id = new SelectList(db.dmDanhHieu, "id", "TenDanhHieu", danhhieu.TenDanhHieu_id);
            ViewBag.NV_id          = new SelectList(db.NhanVien, "id", "MaNV", danhhieu.NV_id);
            return(View(danhhieu));
        }
        public ActionResult Create(DanhHieu danhhieu)
        {
            if (ModelState.IsValid)
            {
                db.DanhHieu.Add(danhhieu);
                db.SaveChanges();
                return(RedirectToAction("Index"));
            }

            ViewBag.TenDanhHieu_id = new SelectList(db.dmDanhHieu, "id", "TenDanhHieu", danhhieu.TenDanhHieu_id);
            ViewBag.NV_id          = new SelectList(db.NhanVien, "id", "MaNV", danhhieu.NV_id);
            return(View(danhhieu));
        }