display a page id from database in a url

Hi, I want to display the PageId from the db in the url for a linkbutton.  I've got an sqldatasource retrieving the pageID, how do I do that?
Andy
Something like this to illustrate...



<asp:LinkButton ID="LinkButton3" runat="server" PostBackUrl='~/Admin/preview-page.aspx?PageID=' <%# Eval("PageID") %>'></asp:LinkButton>


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