how to highlight a selected item from a repeater while clicking on that item that is navigating to other page there the item should highlighted

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In a visual web part i am using a repeater control and the items are pages while clicking on that item that will navigates to another page in that page also i am placing the same web part. Now my requirement is while navigating to the page the selected page item should be highlighted. I implement the below code, so please suggest what to add this.

Thanks in advance.

ascx code:

<asp:Repeater ID="rptrPages" runat="server">
<asp:LinkButton ID="lbtnUrl" PostBackUrl='<%# Eval("url")%>' Tex

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