Set Cookie to null

Hi,
I want to set a cookie to null.
how can i do this?


my code:
Response.Cookies["userGeg"]["login"] = login.Text;
Response.Cookies["userGeg"]["pass"] = wachtwoord.Text;
if (Request.Cookies["userGeg"] != null) {
....
}


Response.Cookies["userGeg"]["login"] = null;
Response.Cookies["userGeg"]["pass"] = null;
if (Request.Cookies["userGeg"] == null) { //Doesn't work }



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