public static void Response(HttpRequestBase req, HttpResponseBase res)
        {
            var employeeId = int.Parse(req["employeeId"]);
            var vacancyId  = int.Parse(req["vacancyId"]);
            var result     = _employeeLogic.InsertVacancyResponse(employeeId, vacancyId);

            if (result)
            {
                res.Write(JsonConvert.SerializeObject(new RequestResult("Success", "Response has been sent")));
            }
            else
            {
                res.Write(JsonConvert.SerializeObject(new RequestResult("Error", "Cannot send response")));
            }
        }