AdRotator Using Ajax Timer Control

Dear Googler,
        This is my First Post in my Blog. Here I post, How to use Ajax Timer Control in AdRotator.
We are all know, in the AdRotator Web Server Control need a XML file. So first we create a XML file. here is the Syntax



Syntax:

ads.xml

<?Xml version="1.0" encoding="utf-8"?>
<Advertisements>
<Ad>
<ImageUrl>~/images/sample.jpg</ImageUrl>
<NavigateUrl>http://www.google.com</NavigateUrl>
<AlternateText>This is Sample image</AlternateText>
<Impressions>40</Impressions>
<Keyword>small</Keyword>
<width>300</width>
<Height>50</Height>
</Ad>



<Ad>
<ImageUrl>~/images/sample1.jpg</ImageUrl>
<NavigateUrl>http://www.yahoo.com</NavigateUrl>
<AlternateText>This is Sample image</AlternateText>
<Impressions>40</Impressions>
<Keyword>small</Keyword>
<width>300</width>
<Height>50</Height>
</Ad>
</Advertisements>

Default.aspx:

<asp:Timer ID="Timer1" Interval="2000" runat="Server">
</asp:Timer>
<asp:UpdatePanel ID="up1" runat="Server">
<Triggers>
<asp:AsyncPostBackTrigger ControlID="Timer1" Eventname="Tick" />
</Triggers
<Content Template>
<asp:AdRotator ID="AdRotator1" AdvertisementFile="~/ads.xml" keywordFilter="small" runat="Server"/>
 </ContentTemplate>
</asp:UpdatePanel>