public async Task <IActionResult> PutCtPhieudathang(string id, CtPhieudathang ctPhieudathang)
        {
            if (id != ctPhieudathang.Id)
            {
                return(BadRequest());
            }

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

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

            return(NoContent());
        }
        public async Task <ActionResult <CtPhieudathang> > PostCtPhieudathang(CtPhieudathang ctPhieudathang)
        {
            _context.CtPhieudathangs.Add(ctPhieudathang);
            try
            {
                await _context.SaveChangesAsync();
            }
            catch (DbUpdateException)
            {
                if (CtPhieudathangExists(ctPhieudathang.Id))
                {
                    return(Conflict());
                }
                else
                {
                    throw;
                }
            }

            return(CreatedAtAction("GetCtPhieudathang", new { id = ctPhieudathang.Id }, ctPhieudathang));
        }