public ActionResult Getinfo(Guid id)
        {
            if (id == null)
            {
                throw new ArgumentNullException(nameof(id));
            }
            AeroportEntities  aeroport = new AeroportEntities();
            List <FlightInfo> fi       = aeroport.FlightInfo.Where(x => x.Flight_ID == id).ToList();

            return(View("Index12", fi));
        }