ASP.NET

using System;
using System.Collections;
using System.Linq;
using System.Web;
using System.Web.Services;
using System.Web.Services.Protocols;
using System.Xml.Linq;

/// <summary>
/// Summary description for slideshow
/// </summary>
[WebService(Namespace = "http://tempuri.org/")]
[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
// To allow this Web Service to be called from script, using ASP.NET AJAX, uncomment the following line. 
 [System.Web.Script.Services.ScriptService]
public class slideshow : System.Web.Services.WebService {

    [WebMethod]
    public static AjaxControlToolkit.Slide[] GetSlides()
    {
        AjaxControlToolkit.Slide[] MySlides = new AjaxControlToolkit.Slide[3];
        MySlides[0] = new AjaxControlToolkit.Slide("slideshow/a.jpg", "Free", "Free Delivery");
        MySlides[1] = new AjaxControlToolkit.Slide("slideshow/b.jpg", "Free", "Free Packaging");
        MySlides[2] = new AjaxControlToolkit.Slide("slideshow/c.jpg", "Special", "Apple Offer");
        return (MySlides);
    }
    
}

<br />
<td align="center"><br />
        <asp:Image ID="Image4" runat="server" ImageUrl="~/slideshow/a.jpg" <br />
            Width="100%" Height="150px"/><br />
            <br />
        <cc1:SlideShowExtender ID="SlideShowExtender1" runat="server" TargetControlID="Image4" AutoPlay="True" <br />
            Loop="True" SlideShowServiceMethod="GetSlides" <br />
            SlideShowServicePath="D:\pari\jajaipur\slideshow.asmx" ><br />
        </cc1:SlideShowExtender><br />
    </td><br />