How to make an ASP page to refresh after certain time ?

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";
 }

Answer 1

To make an ASP Page to refresh after a certain time you need to add below code in the page level:

<meta http-equiv="refresh" content="15"/>

This will refresh the page after every 15 seconds.