I tried to add border style to RadSlidingZone (see below: BorderColor="Red" BorderStyle="Solid" BorderWidth="2px"), but it doesn't have any effect:
| <%@ Page Language="C#" %> | 
| <%@ Register Assembly="Telerik.Web.UI" Namespace="Telerik.Web.UI" TagPrefix="telerik" %> | 
| <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> | 
| <html xmlns="http://www.w3.org/1999/xhtml"> | 
| <head runat="server"> | 
| <title></title> | 
| </head> | 
| <body> | 
| <form id="form1" runat="server"> | 
| <asp:ScriptManager ID="ScriptManager1" runat="server"></asp:ScriptManager> | 
| <telerik:RadSplitter ID="Splitter1" runat="server" Width="100%" Height="800px" Skin="WebBlue" Orientation="Vertical"> | 
| <telerik:RadPane ID="ParamPane1" runat="server" Width="22px" Scrolling="None"> | 
| <telerik:RadSlidingZone ID="ParamSlidingZone1" Runat="server" Width="22px" ExpandedPaneId="Parameter1" ClickToOpen="true"> | 
| <telerik:RadSlidingPane ID="Parameter1" runat="server" Title="Parameter" Scrolling="None" EnableDock="false" EnableResize="false" BackColor="Beige" BorderColor="Red" BorderStyle="Solid" BorderWidth="2px" Width="890px" /> | 
| </telerik:RadSlidingZone> | 
| </telerik:RadPane> | 
| </telerik:RadSplitter> | 
| </form> | 
| </body> | 
| </html> | 
I am using 2009 Q2, and the browsers are IE6 and IE8. Thanks,
Peichung
