//        public async Task<string> GetJson(string path)
        //        {
        //            var result = string.Empty;
        //            var response = await client.GetAsync(path);
        //
        //            if (response.IsSuccessStatusCode)
        //            {
        //                result = await response.Content.ReadAsStringAsync();
        //            }
        //            else
        //            {
        //                result = null;
        //            }
        //            return result;
        //        }

        public async Task<string> GetJson(string path)
        {
            var result = String.Empty;
            try
            {
                HttpWebRequest myHttpWebRequest = (HttpWebRequest)WebRequest.Create(path);
                HttpWebResponse myHttpWebResponse = (HttpWebResponse)myHttpWebRequest.GetResponse();
                if (myHttpWebResponse.StatusCode == HttpStatusCode.OK)
                {
                    Task<WebResponse> task = Task.Factory.FromAsync(
                        myHttpWebRequest.BeginGetResponse,
                        asyncResult => myHttpWebRequest.EndGetResponse(asyncResult),
                        (object) null);
                    var resultStream = task.Result.GetResponseStream();
                    using (Stream stream = resultStream)
                    {
                        StreamReader sr = new StreamReader(stream, Encoding.UTF8);
                        result = sr.ReadToEnd();
                    }
                    myHttpWebResponse.Close();
                }

            }
            catch (WebException e)
            {
                result = null;
            }
            return result;
        }