HttpCookie cookie = new HttpCookie("name", System.Web.HttpContext.Current.Server.UrlEncode("武林網"));
Response.Cookies.Add(cookie);讀取Cookie時：
if (Request.Cookies["name"] != null)
{
Response.Write(System.Web.HttpContext.Current.Server.UrlDecode(Request.Cookies["name"].Value));
}

System.Web.HttpContext.Current.Server.UrlDecode 和 System.Web.HttpContext.Current.Server.UrlEncode
System.Web.HttpUtility.UrlDecode 和 System.Web.HttpUtility.UrlEncode