ASP header / website-URL opvragen

<?php
echo $_SERVER['PHP_SELF'];
echo $_SERVER['HTTP_HOST'];
echo $_SERVER['REQUEST_URI'];
?>

<?php
echo $_SERVER['PHP_SELF'];
echo $_SERVER['HTTP_HOST'];
echo $_SERVER['REQUEST_URI'];
?>

<%
   Dim url_var As String
   url_var = Request.QueryString("id")
   //id is dan van zo: index.aspx?id=7
%>

<%
   Dim url_var As String
   url_var = Request.QueryString("id")
   //id is dan van zo: index.aspx?id=7
%>