public IHttpActionResult PostTransport(Transport transport)
        {
            transport.Jour = db.Jours.FirstOrDefault(j => j.Id == transport.Jour.Id);

            if (!ModelState.IsValid)
            {
                return BadRequest(ModelState);
            }
            db.Jours.FirstOrDefault(j => j.Id == transport.Jour.Id).Transports.Add(transport);
            db.Entry(db.Jours.FirstOrDefault(j => j.Id == transport.Jour.Id)).State = EntityState.Modified;

            db.Transports.Add(transport);
            db.SaveChanges();

            return CreatedAtRoute("DefaultApi", new { id = transport.Id }, transport);
        }
        // PUT api/Transports/5
        public IHttpActionResult PutTransport(int id, Transport transport)
        {
            if (!ModelState.IsValid)
            {
                return BadRequest(ModelState);
            }

            if (id != transport.Id)
            {
                return BadRequest();
            }

            db.Entry(transport).State = EntityState.Modified;

            try
            {
                db.SaveChanges();
            }
            catch (DbUpdateConcurrencyException)
            {
                if (!TransportExists(id))
                {
                    return NotFound();
                }
                else
                {
                    throw;
                }
            }

            return StatusCode(HttpStatusCode.NoContent);
        }