Problem redirecting to another page in a worker thread.

 Can somebody help me find solution in this code:
private static bool Done = false;
    
protected  void Page_Load(object sender, EventArgs e)
        {
           
                ThreadStart mythread= new ThreadStart(ThreadFunc);
                Thread thread1 = new Thread(mythread);
                thread1.Start();
           
         }
 public void ThreadFunc()
        {
    
      &n ...