I have a panelbar on a usercontrol with the ExpandMode="SingleExpandedItem" when I mplementation the OnItemClick event the panel stopped expanding .. Is there a reason for that .
Am I correct in assuming you are referring to the ASP.NET AJAX PanelBar? If so, this is actually the WinForms PanelBar forum. You would probably get a quicker/more reliable response by asking your question on the ASP.NET AJAX forum: