C# javascript 读写Cookie的方法

        HttpCookie userLession_zhengshur_Cookie = new HttpCookie("lcode");
        userLession_zhengshur_Cookie.Value = "chen jian ping";

        userName_zhengshu_Cookie.Path = "/";
        userLession_zhengshur_Cookie.Path = "/";

//限定有效期
        userLession_zhengshur_Cookie.Expires = DateTime.Now.AddDays(1);
        userName_zhengshu_Cookie.Expires = DateTime.Now.AddDays(1);

        Response.Cookies.Add(userLession_zhengshur_Cookie);
        Response.Cookies.Add(userName_zhengshu_Cookie);

//Cookies添加
 Response.AppendCookie(user_cookies);

//取值
Response.Write(Request.Cookies["uname"].Value);

 function Get(){　     
   　　var cookieString=new String(document.cookie)     
   　　var cookieHeader = "userLession="     
   　　var beginPosition = cookieString.indexOf(cookieHeader)     
   　　if(beginPosition != -1)
   　　{     
   　　　　alert(cookieString.substring(cookieHeader.length,cookieString.indexOf(";")));  
   　　}     
   }