public async Task <IActionResult> PutQuanlidiem(Quanlidiem quanlidiem)
        {
            //if (id != quanlidiem.Mahv)
            //{
            //    return BadRequest();
            //}

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

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

            return(NoContent());
        }
        public async Task <ActionResult <Quanlidiem> > PostQuanlidiem([FromBody] Quanlidiem quanlidiem)
        {
            _context.Quanlidiem.Add(quanlidiem);
            try
            {
                await _context.SaveChangesAsync();
            }
            catch (DbUpdateException)
            {
                if (QuanlidiemExists(quanlidiem.Mahv))
                {
                    return(Conflict());
                }
                else
                {
                    throw;
                }
            }

            return(CreatedAtAction("GetQuanlidiem", new { id = quanlidiem.Mahv }, quanlidiem));
        }