HTTP PUSH技术

[asp]代码库

protected void Page_Load(object sender, EventArgs e)
    {

        Response.Buffer = true;

        if (Page.IsPostBack)
        {
            
            while (Response.IsClientConnected)
            {

                System.Threading.Thread.Sleep(1000);

                if (Application["msg"] != Session["Current"])
                {
                    Session["Current"] = Application["msg"];
                    Response.Write(Session["Current"].ToString());
                    Response.Flush();

                }
                else
                {
                    Response.Write(".");
                    Response.Flush();
                }
            }
 
        }
        else
        {
            Session["Current"] = "";

            Response.Write("Do on Request!<br>");
        }

    }