public void GetTelephoneOperator(Image img, string errorMessage)
        {
            System.Windows.Media.Imaging.BitmapImage bitmapImg = new System.Windows.Media.Imaging.BitmapImage();
            bitmapImg.CreateOptions = System.Windows.Media.Imaging.BitmapCreateOptions.BackgroundCreation;

            Dictionary<string, object> parameters = new Dictionary<string, object>();
            parameters.Add("command", "getMobilePhoneProviderCode");
            parameters.Add("session_key", GlobalVariables.sessionId);
            parameters.Add("phone", text);

            var proxy = new WindowsPhonePostClient.PostClient(parameters);
            proxy.DownloadStringCompleted += (sender, e) =>
            {
                if (e.Error == null)
                {
                    JsonParse deserializedProduct = Newtonsoft.Json.JsonConvert.DeserializeObject<JsonParse>(e.Result);
                    if (deserializedProduct.result == "success")
                    {
                        bitmapImg.UriSource = new Uri("https://www.myth.kz/VAADIN/themes/mytheme/images/" + deserializedProduct.data.providerCode + ".png", UriKind.Absolute);
                    }
                    else
                    {
                        bitmapImg.UriSource = new Uri("/img/registration/False.png", UriKind.Relative);
                        MessageBox.Show(errorMessage);
                    }
                }
                img.Source = bitmapImg;
            };
            proxy.DownloadStringAsync(new Uri("http://192.168.1.71:8080/MobileApplication/mythapi", UriKind.Absolute));
        }
        private void ServerCheck(Image img)
        {
            System.Collections.Generic.Dictionary<string, object> parameters = new System.Collections.Generic.Dictionary<string, object>();
            parameters.Add("command", "check" + type + "exist");
            parameters.Add(type, text);

            WindowsPhonePostClient.PostClient proxy = new WindowsPhonePostClient.PostClient(parameters);
            proxy.DownloadStringCompleted += (sender, e) =>
            {
                if (e.Error == null)
                {
                    JsonParse deserializedProduct = Newtonsoft.Json.JsonConvert.DeserializeObject<JsonParse>(e.Result);

                    if (deserializedProduct.result == "success")
                    {
                        if (deserializedProduct.exists == "true")
                        {
                            resultServer = false;
                            MessageBox.Show(errorMessageServer);
                        }
                        else
                        {
                            resultServer = true;
                        }
                    }
                    else
                        MessageBox.Show(deserializedProduct.message);

                    img.Source = new System.Windows.Media.Imaging.BitmapImage(new Uri("/img/registration/" + resultServer.ToString() + ".png", UriKind.Relative));
                }
            };
            proxy.DownloadStringAsync(new Uri("http://192.168.1.71:8080/MobileApplication/mythapi", UriKind.Absolute));
        }