ADROTATOR

<asp:ScriptManager ID="sm" runat="server"></asp:ScriptManager>
    <div>
      <asp:UpdatePanel ID="up" runat="server">
      <ContentTemplate>
      <asp:Timer ID="tm" runat="server" Interval="1000" ontick="tm_Tick"></asp:Timer>
       <asp:AdRotator ID="AdRotator1" runat="server" AdvertisementFile="~/XMLFile.xml" />
      </ContentTemplate>
      </asp:UpdatePanel>
      </div>
TICK EVENT :
protected void tm_Tick(object sender, EventArgs e)
    {

    }

XMLFile.xml FILE:
<?xml version="1.0" encoding="utf-8" ?>
<Advertisements>

  <Ad>
    <ImageUrl>~/image/Desert.jpg</ImageUrl>
  </Ad>
  <Ad>
    <ImageUrl>~/image/Chrysanthemum.jpg</ImageUrl>
  </Ad>
  <Ad>
    <ImageUrl>~/image/Lighthouse.jpg</ImageUrl>
   
  </Ad>
  <Ad>
  <ImageUrl>~/image/Tulips.jpg</ImageUrl>

  </Ad>
</Advertisements>