Let say that I want to return to the login page with a parameter that specified to the login page to print an error message. In an asp page (that will never show up) I call

Response.Redirect "login.asp?Err=" & ERR_NO_1

in the browser adress field the user will see login.asp?err=1

The question I am asking is: Is it possible with redirect method to call the login page with the parameter but the user will not see the parameter. (something like using hidden field in a html form).