Server.UrlEncode error???

[msn]

Invalid file name for monitoring:
'E:\inetpub\wwwroot\xxxxxxx\xxxxxxx\Server.UrlEncode("login.aspx'. File
names for monitoring must have absolute paths, and no wildcards.

Response.Redirect("Server.UrlEncode(""login.aspx?res=no&url=page2.aspx"")")

 

[msn]

I triedbelow, but how do I get the value of "res" in login.aspx:
Dim theURL = Server.UrlEncode("res=no&url=page2")

' Response.Redirect(theURL)

Response.Redirect("login.aspx?" & theURL)