public async Task <IActionResult> PutCauHoiKhaoSat(int id, CauHoiKhaoSat cauHoiKhaoSat)
        {
            if (id != cauHoiKhaoSat.Id)
            {
                return(BadRequest());
            }

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

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

            return(NoContent());
        }
        public async Task <ActionResult <CauHoiKhaoSat> > PostCauHoiKhaoSat(CauHoiKhaoSat cauHoiKhaoSat)
        {
            cauHoiKhaoSat.TrangThai = Status.Active;
            _context.CauHoiKhaoSats.Add(cauHoiKhaoSat);

            await _context.SaveChangesAsync();

            return(CreatedAtAction("GetCauHoiKhaoSat", new { id = cauHoiKhaoSat.Id }, cauHoiKhaoSat));
        }