public ActionResult Edit([Bind(Include = "BookId,Title,CateId,AuthorId,PubId,Summary,ImgUrl,Price,Quantity,CreatedDate,ModifiedDate,IsActive")] Book sach)
 {
     if (ModelState.IsValid)
     {
         db.Entry(sach).State = EntityState.Modified;
         db.SaveChanges();
         return(RedirectToAction("Index"));
     }
     return(View(sach));
 }
        public ActionResult GioHang(FormCollection frm, DONDATHANG donhang)
        {
            if (Session["makh"] == null)
            {
                return(RedirectToAction("Index", "SSO"));
            }
            else
            {
                int x    = int.Parse(Session["makh"].ToString());
                var user = db.Users.FirstOrDefault(n => n.MaKH == x);
                if (user.DiaChi == null || user.DienThoaiKH == null)
                {
                    user = db.Users.Find(x);
                    {
                        user.DienThoaiKH = frm["dienthoainhanhang"];
                        user.DiaChi      = frm["diachinhanhang"];
                    };
                    db.Entry(user);
                    bool am = false;
                    donhang.MaKH   = int.Parse(Session["makh"].ToString());
                    donhang.NgayDH = DateTime.Parse(DateTime.Now.ToString());
                    //donhang.NgayGiaoHang = DateTime.Parse(frm["ngaynhanhang"].ToString());
                    donhang.TriGia        = decimal.Parse(Session["TongTien"].ToString());
                    donhang.TrangThai     = am;
                    donhang.TenNguoiNhan  = frm["tennguoinhan"];
                    donhang.DienThoaiNhan = int.Parse(frm["dienthoainhanhang"]);
                    donhang.DiaChiNhan    = frm["diachinhanhang"];

                    db.DONDATHANGs.Add(donhang);
                    db.SaveChanges();
                    List <SamPhamGH> listSP = LayGioHang();
                    foreach (var item in listSP)
                    {
                        CTDONHANG ctdh = new CTDONHANG();
                        ctdh.SoDH    = donhang.SoHD;
                        ctdh.MaSP    = item.BookId;
                        ctdh.SoLuong = item.SoLuongMua;
                        ctdh.DonGia  = (decimal)item.Price;
                        db.CTDONHANGs.Add(ctdh);
                        db.SaveChanges();
                    }
                    Session["GioHang"] = null;
                    return(RedirectToAction("ThanhToanThanhCong", "GioHang"));
                }
                else
                {
                    bool a = false;
                    donhang.MaKH   = int.Parse(Session["makh"].ToString());
                    donhang.NgayDH = DateTime.Parse(DateTime.Now.ToString());
                    //donhang.NgayGiaoHang = DateTime.Parse(frm["ngaynhanhang"].ToString());
                    donhang.TriGia        = decimal.Parse(Session["TongTien"].ToString());
                    donhang.TrangThai     = a;
                    donhang.TenNguoiNhan  = frm["tennguoinhan"];
                    donhang.DienThoaiNhan = int.Parse(frm["dienthoainhanhang"]);
                    donhang.DiaChiNhan    = frm["diachinhanhang"];
                    db.DONDATHANGs.Add(donhang);
                    db.SaveChanges();
                    List <SamPhamGH> listSP = LayGioHang();
                    foreach (var item in listSP)
                    {
                        CTDONHANG ctdh = new CTDONHANG();
                        ctdh.SoDH    = donhang.SoHD;
                        ctdh.MaSP    = item.BookId;
                        ctdh.SoLuong = item.SoLuongMua;
                        ctdh.DonGia  = (decimal)item.Price;
                        db.CTDONHANGs.Add(ctdh);
                        db.SaveChanges();
                    }
                    Session["Madh"] = donhang.SoHD;
                    return(RedirectToAction("ThanhToanThanhCong", "GioHang"));
                }
            }
        }