Returns the cookie with the specified name from the cookie collection.
public HttpCookie Get(
The name of the cookie to retrieve from the collection.
If the named cookie does not exist, this method creates a new cookie with that name.
The following example captures the cookie collection sent by the client into a new cookie collection, retrieves the cookie named "LastVisit" from the new collection, and updates the cookie's value to the current date and time.
HttpCookieCollection MyCookieCollection = Request.Cookies;
HttpCookie MyCookie = MyCookieCollection.Get("LastVisit");
MyCookie.Value = DateTime.Now.ToString();