public async Task <IActionResult> PutThongTinKd(string id, ThongTinKd thongTinKd)
        {
            if (id != thongTinKd.MaKd)
            {
                return(BadRequest());
            }

            _context.Entry(thongTinKd).State = EntityState.Modified;

            try
            {
                await _context.SaveChangesAsync();
            }
            catch (DbUpdateConcurrencyException)
            {
                if (!ThongTinKdExists(id))
                {
                    return(NotFound());
                }
                else
                {
                    throw;
                }
            }

            return(NoContent());
        }
        public async Task <ActionResult <ThongTinKd> > PostThongTinKd(ThongTinKd thongTinKd)
        {
            _context.ThongTinKd.Add(thongTinKd);
            try
            {
                await _context.SaveChangesAsync();
            }
            catch (DbUpdateException)
            {
                if (ThongTinKdExists(thongTinKd.MaKd))
                {
                    return(Conflict());
                }
                else
                {
                    throw;
                }
            }

            return(CreatedAtAction("GetThongTinKd", new { id = thongTinKd.MaKd }, thongTinKd));
        }