public IHttpActionResult PutCarpoolGroup(int id, CarpoolGroup carpoolGroup)
        {
            if (!ModelState.IsValid)
            {
                return(BadRequest(ModelState));
            }

            if (id != carpoolGroup.CarpoolGroupID)
            {
                return(BadRequest());
            }

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

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

            return(StatusCode(HttpStatusCode.NoContent));
        }
        public IHttpActionResult GetCarpoolGroup(int id)
        {
            CarpoolGroup carpoolGroup = db.CarpoolGroups.Find(id);

            if (carpoolGroup == null)
            {
                return(NotFound());
            }

            return(Ok(carpoolGroup));
        }
        public IHttpActionResult PostCarpoolGroup(CarpoolGroup carpoolGroup)
        {
            if (!ModelState.IsValid)
            {
                return(BadRequest(ModelState));
            }

            db.CarpoolGroups.Add(carpoolGroup);
            db.SaveChanges();

            return(CreatedAtRoute("DefaultApi", new { id = carpoolGroup.CarpoolGroupID }, carpoolGroup));
        }
        public IHttpActionResult DeleteCarpoolGroup(int id)
        {
            CarpoolGroup carpoolGroup = db.CarpoolGroups.Find(id);

            if (carpoolGroup == null)
            {
                return(NotFound());
            }

            db.CarpoolGroups.Remove(carpoolGroup);
            db.SaveChanges();

            return(Ok(carpoolGroup));
        }