ArcGISWindowsPhoneSDK.FeatureSetJson.featureLayer_UpdateCompleted C# (CSharp) Method

        private void featureLayer_UpdateCompleted(object sender, EventArgs e)
        {
            FeatureSet featureSet = new FeatureSet((sender as FeatureLayer).Graphics);
            string jsonOutput = featureSet.ToJson();
            // show the json in a web browser since too long for a Windows Phone TextBox
            DisplayInBrowser(jsonOutput);
        }