codice:
<html>

   <script language="VB" runat="server">
		Sub Page_Load(sender As Object, e As EventArgs)
   		Session("Var") = "www.pippo.com"        
		DataBind()
        End Sub
   </script>
 
<body>


<asp:HyperLink id="Login" runat="server" Target="principale" 
NavigateUrl=<%#Session("Var")%> Font-Size="XX-Small">Login</asp:HyperLink></P>

</body>
</html>