passing value from repeater to textbox in another page

Hello there.
I am trying to pass a value from a repeater to a textbox in another page.
see below
<asp:HyperLink ID="HyperLink1" runat="server" Text='<%# Eval("desc")%>' style="margin-left: 293px" target="_blank" NavigateUrl='<%# "fulldesc.aspx?id=" & Eval("ref")%>'></asp:HyperLink> id being the textbox name in page fulldesc.aspx
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