UltimatePanel is a collapsible side panel bar for ASP.NET. Visual Designer fully integrated into Visual Studio. Provide elegant looks such as slip/rotate content relocate groups treeview layout auto fill frame and so on. Scroll panel vertically and horizontally. Save latest panel state on client and restore again on the next visit. Hide panel on either side of browser and show panel when user moves over it. Insert ASP.NET and HTML controls. Panel structure/style based on XML & CSS.