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)]
//To support Session in Web service then session class must be inheited
from
//System.Web.Services.WebService
public class Customer : System.Web.Services.WebService
{
//to Enable session it must to set EnableSession=true
[WebMethod
(EnableSession=true)]
public int GetAddition(int Number)
{
//cekcing wheter the session is null
if (Session["GetAddition"] == null)
{
//set session value to 0 if session is null
Session["GetAddition"] = 0;
}
else
{
//Add the user Input value into the existing
session value
Session["GetAddition"] = (int)Session["GetAddition"] + Number;
}
//returen the session value
return (int)Session["GetAddition"];
}
Customer.asmx
<%@ WebService Language="C#" CodeBehind="~/App_Code/Customer.cs" Class="Customer" %>
Default.aspx
design
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
</head>
<body style="background-color:Blue">
<h4 style="color:White">Article by Vithal Wadje</h4>
<form id="form1" runat="server">
<table style="margin-top:60px;color:White">
<tr>
<td>Enter Value</td>
<td>
<asp:TextBox ID="TextBox1" runat="server"></asp:TextBox></td>
</tr>
<tr>
<td></td><td></td>
</tr>
<tr>
<td></td><td>
<asp:Button ID="btngetAddition" runat="server" Text="Get
Addition"
onclick="btngetAddition_Click" /> </td>
</tr>
<tr>
<td>
Addition
</td>
<td id="tdoutput" runat="server">
</td>
</tr>
</table>
</form>
</body>
Default.cs
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
public partial class _Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
protected void btngetAddition_Click(object
sender, EventArgs e)
{
Customer obj = new Customer();
tdoutput.InnerText = Convert.ToString(obj.GetAddition(Convert.ToInt32(TextBox1.Text)));
}
Web.config file
<?xml version="1.0"?>
<!--
For more information on how to
configure your ASP.NET application, please visit
http://go.microsoft.com/fwlink/?LinkId=169433
-->
<configuration>
<system.web>
<compilation debug="true" targetFramework="4.0"/>
</system.web>