public ActionResult Create([Bind(Include = "id,masinhvien,monhoc,dieml1,dieml2,dieml3,dieml4,kq")] Diemsinhvien diemsinhvien, string m, int s1, int s21, int s22, int t)
        {
            if (ModelState.IsValid)
            {
                diemsinhvien.dieml1 = s1;
                diemsinhvien.dieml2 = s21;
                diemsinhvien.dieml3 = s22;
                diemsinhvien.dieml4 = t;
                double D = double.Parse((((diemsinhvien.dieml1 + diemsinhvien.dieml2 + diemsinhvien.dieml3) * 0.3) + (diemsinhvien.dieml4 * 0.6)).ToString());
                if (D > 5)
                {
                    diemsinhvien.kq = "Đậu";
                }
                else
                {
                    diemsinhvien.kq = "F";
                }
                diemsinhvien.masinhvien = m;
                db.Diemsinhvien.Add(diemsinhvien);
                db.SaveChanges();
                return(RedirectToAction("get_detaildiem", "Sinhviens", new { id = m }));
            }

            ViewBag.masinhvien = new SelectList(db.Sinhvien, "masinhvien", "manganh", diemsinhvien.masinhvien);
            return(View(diemsinhvien));
        }
        public ActionResult DeleteConfirmed(int id)
        {
            Diemsinhvien diemsinhvien = db.Diemsinhvien.Find(id);

            db.Diemsinhvien.Remove(diemsinhvien);
            db.SaveChanges();
            return(RedirectToAction("Index"));
        }
        // GET: admin/Diemsinhviens/Details/5
        public ActionResult Details(int?id)
        {
            if (id == null)
            {
                return(new HttpStatusCodeResult(HttpStatusCode.BadRequest));
            }
            Diemsinhvien diemsinhvien = db.Diemsinhvien.Find(id);

            if (diemsinhvien == null)
            {
                return(HttpNotFound());
            }
            return(View(diemsinhvien));
        }
        // GET: admin/Diemsinhviens/Edit/5
        public ActionResult Edit(int?id, string ma, int s1, int s21, int s22, int t)
        {
            if (id == null)
            {
                return(new HttpStatusCodeResult(HttpStatusCode.BadRequest));
            }
            Diemsinhvien diemsinhvien = db.Diemsinhvien.Find(id);

            if (diemsinhvien == null)
            {
                return(HttpNotFound());
            }
            ViewBag.id         = ma;
            ViewBag.d1         = s1;
            ViewBag.d21        = s21;
            ViewBag.d22        = s22;
            ViewBag.dt         = t;
            ViewBag.masinhvien = new SelectList(db.Sinhvien, "masinhvien", "manganh", diemsinhvien.masinhvien);
            return(View(diemsinhvien));
        }