public ActionResult CancelReservedRoom(string roomBookingID)
 {
     try
     {
         int         bookingID   = Int32.Parse(roomBookingID);
         RoomBooking roomBooking = db.RoomBookings.Where(x => x.RoomBookingID.Equals(bookingID)).Single();
         if (roomBooking == null)
         {
             return(Json(new { Status = false }, JsonRequestBehavior.AllowGet));
         }
         else
         {
             SendMailService mailService     = new SendMailService();
             HashCodeService hashCodeService = new HashCodeService();
             String          hashCode        = hashCodeService.createRoomBookingCancelCode(bookingID, roomBooking.Email);
             mailService.toAddress = roomBooking.Email;
             //ND mail gui cho khach hang:
             mailService.body = "CANCEL ROOM BOOKING INFORMATION\n" + "CustomerName: " + roomBooking.Name + "\n"
                                + "ID: " + roomBooking.RoomBookingID + "\n" + "CheckInDate: " + roomBooking.CheckinDate + "\n"
                                + "CheckOutDate: " + roomBooking.CheckoutDate + "\n" + "Click here to cancel your booking: "
                                + "http://localhost:8080/RoomBookings/DeleteRoomBooking/?id="
                                + roomBooking.RoomBookingID + "&hash=" + hashCode;
             mailService.subject = "CANCEL ROOM BOOKING INFORMATION";
             mailService.sendMail();
             return(Json(new { Status = true }, JsonRequestBehavior.AllowGet));
         }
     }
     catch
     {
         return(Json(new { Status = false }, JsonRequestBehavior.AllowGet));
     }
 }
        //GET: RoomBookings/DeleteRoomBooking
        public ActionResult DeleteRoomBooking(int id, string hash)
        {
            RoomBooking roomBooking = db.RoomBookings.Where(x => x.RoomBookingID == id).SingleOrDefault();

            if (roomBooking != null)
            {
                HashCodeService hashCodeService = new HashCodeService();
                hash = hash.Replace(' ', '+');
                String hashCode = hashCodeService.createRoomBookingCancelCode(id, roomBooking.Email);

                if (hash.Equals(hashCode))
                {
                    roomBooking.Status          = "Canceled";
                    db.Entry(roomBooking).State = EntityState.Modified;
                    db.SaveChanges();
                    return(RedirectToAction("Search", "Home"));
                }
            }

            return(RedirectToAction("Index", "Home"));
        }