aspnet-8285-components-site-navigation-and-layout-navigation-bar.md
The ASPxNavBar allows you to introduce cutting edge site navigation capabilities to your ASP.NET solutions with ease and simplicty. Whether you wish to emulate a Windows® Style Explorer Bar or an MS Outlook® SideBar within your application, the ASPxNavBar is packed with countless developer friendly features specifically designed to help you build your best - without limits or compromise. In addition to traditional UI presentation elements, the ASPxNavBar allows you to create highly customized navigation options with its built-in template support - you can use it anywhere and everywhere you need to display list-oriented information to end-users.
With countless layout and appearance customization options, the ASPxNavBar guarantees your ability to deliver a UI that best suits your business needs and those of your customers. Like all DevExpress ASP.NET controls, it fully supports AJAX technology and provides CSS styles, a client-side API/events and can render itself for all popular browsers.
This topic lists the features that are unique to ASPxNavBar.
You can enable AJAX support by setting the EnableCallbacks property to true. In this case, ASPxNavBar initially loads only the content of expanded groups onto the client. When end-users expand groups, their content is loaded via callbacks. Once a group’s content has been loaded, end-users can switch to this group on the client-side without callbacks or postbacks.