public IHttpActionResult PutBaiVietBanChay(int id, BaiVietBanChay baiVietBanChay)
        {
            if (!ModelState.IsValid)
            {
                return(BadRequest(ModelState));
            }

            if (id != baiVietBanChay.MaBV)
            {
                return(BadRequest());
            }

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

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

            return(StatusCode(HttpStatusCode.NoContent));
        }
        public IHttpActionResult GetBaiVietBanChay(int id)
        {
            BaiVietBanChay baiVietBanChay = db.BaiVietBanChays.Find(id);

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

            return(Ok(baiVietBanChay));
        }
        public IHttpActionResult PostBaiVietBanChay(BaiVietBanChay baiVietBanChay)
        {
            if (!ModelState.IsValid)
            {
                return(BadRequest(ModelState));
            }

            db.BaiVietBanChays.Add(baiVietBanChay);
            db.SaveChanges();

            return(CreatedAtRoute("DefaultApi", new { id = baiVietBanChay.MaBV }, baiVietBanChay));
        }
        public IHttpActionResult DeleteBaiVietBanChay(int id)
        {
            BaiVietBanChay baiVietBanChay = db.BaiVietBanChays.Find(id);

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

            db.BaiVietBanChays.Remove(baiVietBanChay);
            db.SaveChanges();

            return(Ok(baiVietBanChay));
        }