public async Task <ActionResult <HeadStaffs> > PostHeadStaffs(HeadStaffs headStaffs)
        {
            _context.HeadStaffs.Add(headStaffs);
            await _context.SaveChangesAsync();

            return(CreatedAtAction("GetHeadStaffs", new { id = headStaffs.HeadStaffId }, headStaffs));
        }
        public async Task <IActionResult> PutHeadStaffs(int id, HeadStaffs headStaffs)
        {
            if (id != headStaffs.HeadStaffId)
            {
                return(BadRequest());
            }

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

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

            return(NoContent());
        }