public ActionResult AddRoom(string hotelName, RoomDetails roomDetails)
 {
     try
     {
         mgmt.AddNewRoomToHotel(hotelName, roomDetails);
         return(RedirectToAction("Rooms", "Management", new { hotelName = hotelName }));
     }
     catch (Exception e)
     {
         ModelState.AddModelError(String.Empty, e.Message);
         return(View());
     }
 }