Remove cookies from browser... Using C# code..

Below is code where you can
delete all cookies :
void Page_Load()
    {
        string[]
cookies =
Request.Cookies.
AllKeys;
        foreach
(string cookie in
cookies)
        {
BulletedList1.Items
.Add("Deleting " +
cookie);
Response.Cookies
[cookie].Expires =
DateTime.Now.AddDays
(-1);
        }
    }

for more detail about
cookies : http://
msdn.microsoft.com/en-us/
library/ms178194.aspx

Helper based on http://
msdn.microsoft.com/en-us/
library/ms178195.aspx :

public static void
DeleteCookie(
  HttpRequest
request,
HttpResponse
response, string
name)
{
  if
(request.Cookies
[name] == null)
return;
  var cookie = new
HttpCookie(name)
{Expires =
DateTime.Now.AddDays
(-1d)};
response.Cookies.Add
(cookie);
}

try these...