//GET: api/Demographics?ZipCode=val
        public HttpResponseMessage GetDemographicsByZipCode(string ZipCode)
        {
            List <string>       retValues = new List <string>();
            HttpResponseMessage message   = new HttpResponseMessage();

            DAL.Repositories.DemographicRepository repoDemographic = new DAL.Repositories.DemographicRepository(m_dataFileLocation);

            try
            {
                retValues = repoDemographic.GetDemographicsbyZipCode(ZipCode);

                if (retValues.Count > 0)
                {
                    message = Request.CreateResponse(HttpStatusCode.OK, retValues);
                }
                else
                {
                    //error code 400
                    message = Request.CreateErrorResponse(HttpStatusCode.BadRequest, ZipCode + " does not exist.");
                }
            }
            catch (Exception ex)
            {
                message = Request.CreateErrorResponse(HttpStatusCode.BadRequest, ex);
            }

            return(message);
        }
        //GET: api/Demographics?Name=val&ZipCode=val
        public HttpResponseMessage GetDemographicsExists(string Name, string ZipCode)
        {
            HttpResponseMessage message = new HttpResponseMessage();

            DAL.Repositories.DemographicRepository repoDemographic = new DAL.Repositories.DemographicRepository(m_dataFileLocation);

            try
            {
                message = Request.CreateResponse(HttpStatusCode.OK, (repoDemographic.IsExists(Name, ZipCode).ToString().ToLower()));
            }
            catch (Exception ex)
            {
                message = Request.CreateErrorResponse(HttpStatusCode.BadRequest, ex);
            }

            return(message);
        }