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¡¡¡¡¡¡¡¡HttpCookie cookie = new HttpCookie("regID");
            cookie .Value = username;
            cookie .Expires = DateTime.Now.AddDays(1);
            Response.Cookies.Add(cookie);
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Response.Cookies["user"]["userName"] = Server.UrlEncode("´óÎ÷¹Ï");//ʹÓÃUrlEncodeÊÇΪÁËʹÓÃjavascriptÈ¡³öʱ²»ÊÇÂÒÂë
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   HttpCookie cookie=new HttpCookie("user"); 
   cookie.Values["userName"] = "aaa";  //cookie.Values.Add("userName","aaa");
   cookie .Expires = DateTime.Now.AddDays(1);  
   Response.Cookies.Add(cookie) //Response.AppendCookie(cookie)  ;
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¡¡¡¡ private HttpCookie cookie = null;
       private string cookieName = string.Empty;
       for (int i = 0; i < Request.Cookies.Count; i++)
        {
            cookieName = Request.Cookies[i].Name; 
            cookie = new HttpCookie(cookieName); 
            cookie .Expires = DateTime.Now.AddDays(-1);
            Response.Cookies.Add(cookie );
        }
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   HttpCookie cookie; 
   cookie = Request.Cookies["userInfo"]; &nbs


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    function addMessage(message){
        var chatArea=document.getElementById("chatArea");
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