How to let my web-user-control determine automatically the url of the page where it's placed

        <asp:HyperLink 
        ID="hyper1"
        runat="server"
        NavigateUrl='<%#string.Format("~/PLayer.aspx?ID={0}&Type={1}",Eval("arrange_by_id"),Eval("value"))%>'><%# Eval("value")%></asp:HyperLink>

I've implemented this string format in my NavigateUrl to pass a dynamic querystring depending on the clicked item!

but you see the first part in the string format whe开发者_JAVA技巧re it says "~/PLayer.aspx" i want the user control to automatically change this part according to where it's placed!

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try this http://www.codeproject.com/KB/aspnet/resolveurl.aspx

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how about this:

NavigateUrl='<%#string.Format("{2}?ID={0}&Type={1}",
     Eval("arrange_by_id"),Eval("value"), Page.ResolveUrl("~/Palyer.aspx"))%>'

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You could try Request.ServerVariables["SCRIPT_NAME"], it will return the name of the current page.

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You don't need to move the user control from place to place. You can only get the name of the current page from either Request.Url, Request.RawUrl or Request.ServerVariables["SCRIPT_NAME"].

You can dynamically register user control to change the path when you want it like that. For a reference on dynamically registering user control see this