Indeed, this is the case that I tried to explain in my previous reply. Sorry if I did not express myself properly. Basically, my previous post covers the three different ways to make the border disappear.
If you wish to change its appearance though, then the recommended way is to tune its theme by using the VisualStyleBuilder
tool. You could use one of the standard themes as a starting point and modify it. To learn more on using the VisualStyleBuilder
, please review at our help topics "Working With Styles & Themes" and "Styling the Telerik RadListBox". You can also review the two videos we have on the VisualStyleBuilder
the Telerik team