public HttpResponseMessage Save(ContractorAccess model)
        {
            HttpResponseMessage response = new HttpResponseMessage(HttpStatusCode.Created);

            try
            {
                model.CurUserAdSid = GetCurUser().Sid;
                model.Save();
                response.Content = new StringContent(String.Format("{{\"id\":{0}}}", model.Id));
            }
            catch (Exception ex)
            {
                response = new HttpResponseMessage(HttpStatusCode.OK);
                response.Content = new StringContent(MessageHelper.ConfigureExceptionMessage(ex));

            }
            return response;
        }