cookie读、写、删除

创建cookie

var cookie = new HttpCookie("member");
cookie.Values.Add("memberName", name);
cookie.Values.Add("memberType", type.ToString());
cookie.Expires = DateTime.Now.AddDays(30);
Response.Cookies.Add(cookie);

读Cookie

 var cookie = Request.Cookies["member"];
 if (cookie != null)
{

     string name = cookie.Values["memberName"];

     string type=cookie.Values["memberType"];

}

删除cookie

var cookie = Request.Cookies["member"];
            if (cookie != null)
            {
                cookie.Expires = DateTime.Now.AddDays(-1);
                Response.Cookies.Add(cookie);
            }