public async Task <HttpResponseMessage> DeleteById(Guid id) { Tuple <int, string> tuple = await defaultService.RemovePersonById(id); if (tuple.Item1 == -1) { return(Request.CreateResponse(HttpStatusCode.NotFound, String.Format("There is no person with Id: {0}", id))); } return(Request.CreateResponse(HttpStatusCode.OK, String.Format("{0} removed from the list", tuple.Item2))); }