After adding references, verify in solution explorer that you have successfully added the references
Once references are successfully added in the project, you need to add references of Rad Control JS files and CSS files on the HTML page. You can refer them as following listing,
Now you are all set to use RadControls for Windows 8 in your application. To test that whether we have added all the references correctly or not ,let us put a RadSlider control on HTML
Now when you run the application you should get a RadSlider control on the page successfully.