public IHttpActionResult Post([FromBody] TakenNumberDTO userDto)
        {
            var ret = _takenNumberService.AddNewTakenNumber(takenNumberDto: userDto);

            if (ret == null)
            {
                return(BadRequest(message: _takenNumberService.LastErrorMessage));
            }
            return(CreatedAtRoute(routeName: "DefaultApi", routeValues: new { id = ret.Id }, content: ret));
        }
 public IHttpActionResult Put([FromBody] TakenNumberDTO userDto)
 {
     throw new NotImplementedException();
 }