private async void Button_Click(object sender, RoutedEventArgs e)
        {
            using (var demoCredentials = new InsecureDemoCredentials())
            {
                try
                {
                    string instanceUrl = "http://mobiledev1ua1.dk.sitecore.net:7220";

                    using
                    (
                        var session =
                            SitecoreWebApiSessionBuilder.AuthenticatedSessionWithHost(instanceUrl)
                            .Credentials(demoCredentials)
                            .Site("/sitecore/shell")
                            .DefaultDatabase("web")
                            .DefaultLanguage("en")
                            .MediaLibraryRoot("/sitecore/media library")
                            .MediaPrefix("~/media/")
                            .DefaultMediaResourceExtension("ashx")
                            .BuildReadonlySession()
                    )
                    {
                        var request =
                            ItemWebApiRequestBuilder.ReadItemsRequestWithPath("/sitecore/content/home")
                            .Payload(PayloadType.Content)
                            .Build();

                        ScItemsResponse items = await session.ReadItemAsync(request);

                        string fieldText = items[0]["Text"].RawValue;

                        this.FieldValueTextBox.Text = fieldText;
                    }
                }
                catch (Exception ex)
                {
                    this.FieldValueTextBox.Text = ex.Message;
                }
            }
        }
    private async void Button_Click(object sender, RoutedEventArgs e)
    {
      using (var demoCredentials = new InsecureDemoCredentials())
      {
        try
        {
          string instanceUrl = "http://mobiledev1ua1.dk.sitecore.net:7220";

          using 
          (
            var session =
                SitecoreWebApiSessionBuilder.AuthenticatedSessionWithHost(instanceUrl)
                                            .Credentials(demoCredentials)
                                            .Site("/sitecore/shell")
                                            .DefaultDatabase("web")
                                            .DefaultLanguage("en")
                                            .MediaLibraryRoot("/sitecore/media library")
                                            .MediaPrefix("~/media/")
                                            .DefaultMediaResourceExtension("ashx")
                                            .BuildReadonlySession()
          )
          {
            var request =
                ItemWebApiRequestBuilder.ReadItemsRequestWithPath("/sitecore/content/home")
                                        .Payload(PayloadType.Content)
                                        .Build();

            ScItemsResponse items = await session.ReadItemAsync(request);
            string fieldText = items[0]["Text"].RawValue;

            this.FieldValueTextBox.Text = fieldText;
          }
        }
        catch (Exception ex)
        {
          this.FieldValueTextBox.Text = ex.Message;
        }
      }
    }