simple slide show control

here is my code for slideshow.aspx page






                                                               





and my code for .asmx is here


using System;
using System.Web;
using System.Web.Services;
using System.Web.Services.Protocols;

[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 SlideService : System.Web.Services.WebService {

[WebMethod]
[System.We ...