<script runat="server">
Sub change_url(sender As Object, e As AdCreatedEventArgs)
e.NavigateUrl="http://www.w3schools.com"
End Sub
</script>
<!DOCTYPE html>
<html>
<body>
<form runat="server">
<asp:AdRotator AdvertisementFile="Ad1.xml"
runat="server" OnAdCreated="change_url"
target="_blank" />
</form>
<p><a href="ad1.xml" target="_blank">View XML file</a></p>
</body>
</html>