ArcGISWindowsPhoneSDK.QueryWithoutMap.QueryButton_Click C# (CSharp) Method

        void QueryButton_Click(object sender, RoutedEventArgs e)
        {
            QueryTask queryTask =
                new QueryTask("http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/Demographics/ESRI_Census_USA/MapServer/5");
            queryTask.ExecuteCompleted += QueryTask_ExecuteCompleted;
            queryTask.Failed += QueryTask_Failed;

            ESRI.ArcGIS.Client.Tasks.Query query = new ESRI.ArcGIS.Client.Tasks.Query();
            query.Text = StateNameTextBox.Text;

            query.OutFields.Add("*");
            queryTask.ExecuteAsync(query);
        }