public IHttpActionResult PutDSYeuThich(int id, DSYeuThich dSYeuThich)
        {
            if (!ModelState.IsValid)
            {
                return(BadRequest(ModelState));
            }

            if (id != dSYeuThich.MaYT)
            {
                return(BadRequest());
            }

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

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

            return(StatusCode(HttpStatusCode.NoContent));
        }
        public IHttpActionResult GetDSYeuThich(int id)
        {
            DSYeuThich dSYeuThich = db.DSYeuThiches.Find(id);

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

            return(Ok(dSYeuThich));
        }
        public IHttpActionResult PostDSYeuThich(DSYeuThich dSYeuThich)
        {
            if (!ModelState.IsValid)
            {
                return(BadRequest(ModelState));
            }

            db.DSYeuThiches.Add(dSYeuThich);
            db.SaveChanges();

            return(CreatedAtRoute("DefaultApi", new { id = dSYeuThich.MaYT }, dSYeuThich));
        }
        public IHttpActionResult DeleteDSYeuThich(int id)
        {
            DSYeuThich dSYeuThich = db.DSYeuThiches.Find(id);

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

            db.DSYeuThiches.Remove(dSYeuThich);
            db.SaveChanges();

            return(Ok(dSYeuThich));
        }