ApiCookbook.Controllers.HomeController.BufferfeatureJson C# (CSharp) Метод

        public JsonResult BufferfeatureJson(string fields, string parameters)
        {
            var base_url = "http://gis.drcog.org/REST/v1/ws_geo_bufferfeature.php?";
            // from_geotable=bicycle_facility_inventory_2011_oct
            //  &to_geotable=arapahoe_crash_2006
            //  &distance=250
            //  &format=json
            //  &fields=t.gid,t.loc_01,t.loc_02,ST_AsGeoJson%20(ST_Transform(t.the_geom,%20900913))%20as%20geojson
            //  &srid=2232
            //  &parameters=t.acctype='15'%20and%20type_fx_no=4
            var url_param = "distance={0}&fields={1}&from_geotable={2}&to_geotable={3}&srid={4}&parameters={5}&format={6}";
            var srid = "2232";
            var from_geotable = "bicycle_facility_inventory_2011_oct";
            var to_geotable = "arapahoe_crash_2006";
            //var fields = "t.gid,t.loc_01,t.loc_02,ST_AsGeoJson (ST_Transform(t.the_geom, 900913)) as geojson";
            var format = "json";
            var distance = 250;

            string url = String.Format(base_url + url_param
                , distance, fields, from_geotable, to_geotable
                , srid, parameters, format);

            string result;
            // Create the web request
            HttpWebRequest request = WebRequest.Create(url) as HttpWebRequest;
            request.ContentType = "application/json; charset=utf-8";
            // Get response
            using (HttpWebResponse response = request.GetResponse() as HttpWebResponse)
            {
                // Get the response stream
                using (var reader = new StreamReader(response.GetResponseStream()))
                {
                    result = reader.ReadToEnd();
                }
            }

            return Json(result, "text/x-json", JsonRequestBehavior.AllowGet);
        }