public async Task <IActionResult> PutKnxGroupAddresses(int id, KnxGroupAddresses knxGroupAddresses)
        {
            if (id != knxGroupAddresses.Gid)
            {
                return(BadRequest());
            }

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

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

            return(NoContent());
        }
        public async Task <ActionResult <KnxGroupAddresses> > PostKnxGroupAddresses(KnxGroupAddresses knxGroupAddresses)
        {
            _context.KnxGroupAddresses.Add(knxGroupAddresses);
            await _context.SaveChangesAsync();

            return(CreatedAtAction("GetKnxGroupAddresses", new { id = knxGroupAddresses.Gid }, knxGroupAddresses));
        }