Web Development

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

[WebService(Namespace = "http://tempuri.org/")]
[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
[System.Web.Script.Services.ScriptService]
public class Test : System.Web.Services.WebService {

    [WebMethod(true)]
    public void Calc(int value)
    {
        int ii = 0;

        SessionHandler.Session = Session;
        SessionHandler.MyInt = value;

        while (ii < 20)
        {
            SessionHandler.MyInt = value * ii;
            System.Threading.Thread.Sleep(1000);
            ii++;
        }
    }

    [WebMethod(true)]
    public int GetResult()
    {
        int returnVal = 0;
        
        returnVal = SessionHandler.MyInt;

        return returnVal;
    }
}

function Calculate() {
    var size = document.getElementById("size").value;
    var watch = document.getElementById("watch").checked;

    myInterval = setInterval("ShowResult()", 500);
    Test.Calc(size, Demo);
}

function Demo(result) {
    ShowResult(result);
}

function ShowResult(result) {
    Test.GetResult(DisplayResult);
}

function DisplayResult(result) {
    var disp = document.getElementById("result");

    disp.value = result;
}

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

public static class SessionHandler
{
    private static String myInt = "myint";
    private static System.Web.SessionState.HttpSessionState _session;

    public static int MyInt
    {
        get { return (int)SessionHandler._session[SessionHandler.myInt]; }
        set { SessionHandler._session[SessionHandler.myInt] = value; }
    }

    public static System.Web.SessionState.HttpSessionState Session
    {
        get { return _session; }
        set { SessionHandler._session = value; }
    }
}