The Context Menu is a client side menu that looks like the same context menus users see when they right click in the browser. When the user clicks on a command, it runs a client side script that you supply.
<asp:TextBox id="ContextMenuTextBox1" runat="server"></asp:TextBox> <des:ContextMenu id="ContextMenu1" runat="server"> <des:MenuCommandItem CommandLabel="Command 1" CommandID="1" OnClickScript="alert('All commands run Javascript. In this case, it called the alert() function.');"> </des:MenuCommandItem> <des:MenuCommandSeparator></des:MenuCommandSeparator> <des:MenuHint Hint="The above was a separator"></des:MenuHint> <ClickList> <des:ClickItem MouseButtonType="Right" ControlID="ContextMenuTextBox1"></des:ClickItem> </ClickList> </des:ContextMenu>