How to show different images on the same place using Thread using asp.net 2010

Question

I have my Code . Kindly make it correct .

  protected void Button1_Click(object sender, EventArgs e)
  {
        System.Threading.Thread.Sleep(500);
        Image1.ImageUrl = "Below15.png";
        System.Threading.Thread.Sleep(500);
        Image1.ImageUrl = "Below26.png";
        System.Threading.Thread.Sleep(500);
        Image1.ImageUrl = "Below31.png";
        System.Threading.Thread.Sleep(500);
        Image1.ImageUrl = "Below40.png";
        System.Threading.Thread.Sleep(500);
        Image1.ImageUrl = "Above70.png";
 }

Comments

You need to provide complete context before someone can help you, what you are trying to do, what you tried, what is working what is not working?

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I could not understand the query, what is the error you are getting ??
One thing is System.Threading.Thread.Sleep will carry millisec timeout so it would be 500 ms i.e. .5 sec?