* Building blocks for rich business applications. Teleirk RadControls for Silverlight were built on Microsoft Silverlight 3 and include 38 UI controls for building rich line-of-business Silverlight applications. Sharing the same codebase with Telerik WPF controls, the Silverlight controls offer a clean and intuitive API, Blend support and theming capabilities that will radically improve your RIA development. RadControls for Silverlight includes: RadCalendar, RadComboBox, RadCube, RadDatePicker, RadExpander, RadMediaPlayer, RadMenu, RadNumericUpDown, RadPanelBar, RadProgressBar, RadSlider, RadTabControl, RadTimePicker, RadTreeView , RadUpload RadWindow, RadWrapPanel, RadDockPanel and RadUniformGrid. RadControls for Silverlight are the perfect addition for existing ASP.NET AJAX applications and work with Telerik RadControls for ASP.NET AJAX. This enables you to add sections with advanced vector interfaces when needed.