RadSlider for ASP.NET AJAX Version Q3 2008 released 11/25/2008 (release history)

Using the LargeChange property

Using the LargeChange property you can define what should be the change in the value of the slider when the user clicks on the track. By default the LargeChange is set to 0. In this default mode the slider will automatically scroll to the value which has been clicked by the user.