Web services question change in class name

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ASP

webservice

Hi,

I am new to webservices. I just tried my first web service pgm. I tried to change the name of class. I get a Parse error

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Services;

namespace Test
{
    /// <summary>
    /// Summary description for Test
    /// </summary>
    [WebService(Namespace = "http://tempuri.org/")]
    [WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
    [System.ComponentModel.ToolboxItem(false)]
    // 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 Test : System.Web.Services.WebService
    {

        [WebMethod]
        public int CalculateAdd(int firstnumber, int secondnumber)
        {
            return firstnumber+secondnumber;
        }
    }
}

Please help. Thanks!