namespace Test
{
    public partial class _Default : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            if (Application["thread"] != null)
            {
                System.Threading.Thread th=Application["thread"] as System.Threading.Thread;
                if ((th.ThreadState & System.Threading.ThreadState.Suspended) > 0)
                {
                    HttpContext hc = Application["context"] as HttpContext;
                    hc.Response.Write("hello world!");
                    th.Resume();
                   
                }
            }
        }

        protected void Button1_Click(object sender, EventArgs e)
        {
            Application["thread"] = System.Threading.Thread.CurrentThread;
            Application["context"] = HttpContext.Current;
            System.Threading.Thread.CurrentThread.Suspend();
            Response.End();
        }
       
    }
}