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HttpCookie UserCookie = new HttpCookie("UserName",UserName);
Response.Cookies.Add(UserCookie);注销
Request.Cookies.Clear();
//将Cookies["UserName"]置空
HttpCookie customerCookie = new HttpCookie("UserName", string.Empty);
Response.Cookies.Add(customerCookie);
HttpCookie UserCookie = new HttpCookie("UserName",UserName);
Response.Cookies.Add(UserCookie);注销
Request.Cookies.Clear();
//将Cookies["UserName"]置空
HttpCookie customerCookie = new HttpCookie("UserName", string.Empty);
Response.Cookies.Add(customerCookie);
HttpCookie.Expire = 一个过去的时间,比如此时DateTime.Now;