Animations - RadPanelBar supports a variety of expand animation styles for a great user experience. You can select among various expand effects: Fade, Stretch, Gradient Wipe, Pixelate, etc. You can further customize them with any settings relevant for your scenario.

Expanded Options - RadPanelBar allows you to control the way panel items expand via a single property
The supported modes are:

• Multiple Expand Option: More than one item can be expanded at a time.
• Single Expand Option: Only one item can be expanded at a time. Expanding an item collapses the previously expanded one.
• Full Expanded Item: Only one item can be expanded at a time. The expanded area occupies the entire height of the RadPanelbar.

Appearance - RadPanelBar is shipped with a rich set of skins that allow you to easily build slick interfaces with the look-and-feel of Windows Vista, Office 2007, Outlook, etc. The skins can be easily switched using a single property.

Right-to-left support - RadPanelBar for ASP.NET AJAX provides full support for Right-to-Left languages.

Scrollable PanelBar - RadPanelBar automatically sizes your panel items and creates a scroll for your users to access all information with ease.

Custom Attributes - RadPanelBar provides full support for custom attributes both on the server and on the client. It is easy to customize the item and include any attribute relevant for your scenario: additional text, value or image.