Creating a Web Service in .NET | SOA Lab Manual

SOURCE CODE:

Service.cs

using System;

using System.Linq;

using System.Web;

using System.Web.Services;

using System.Web.Services.Protocols;

using System.Xml.Linq;

public class Service : System.Web.Services.WebService

{

    public Service ()

    {}

    [WebMethod]

    public int add(int a, int b)

    {

        return a + b;

    }

    [WebMethod]

    public int sub(int a, int b)

    {

        return a - b;

    }

    [WebMethod]

    public int mul(int a, int b)

    {

        return a * b;

    }

    [WebMethod]

    public int div(int a, int b)

    {

        return a / b;

    }

   

}

Default.asp.cs

Top of Form

using System;

using System.Collections;

using System.Configuration;

using System.Data;

using System.Linq;

using System.Web;

using System.Web.Security;

using System.Web.UI;

using System.Web.UI.HtmlControls;

using System.Web.UI.WebControls;

using System.Web.UI.WebControls.WebParts;

using System.Xml.Linq;

public partial class _Default : System.Web.UI.Page

{  localhost.Service cal = new localhost.Service();

     protected void Button1_Click(object sender, EventArgs e)

    {   int a = Int32.Parse(TextBox1.Text);

        int b = Int32.Parse(TextBox2.Text);

        int c = cal.add(a, b);

        TextBox3.Text = c.ToString(); 

    }

    protected void Button2_Click(object sender, EventArgs e)

    {   int a = Int32.Parse(TextBox1.Text);

        int b = Int32.Parse(TextBox2.Text);

        int c = cal.sub(a, b);

        TextBox3.Text = c.ToString();

    }

 protected void Button3_Click(object sender, EventArgs e)

    {   int a = Int32.Parse(TextBox1.Text);

        int b = Int32.Parse(TextBox2.Text);

        int c = cal.mul(a, b);

        TextBox3.Text = c.ToString();

    }

 protected void Button4_Click(object sender, EventArgs e)

    {   int a = Int32.Parse(TextBox1.Text);

        int b = Int32.Parse(TextBox2.Text);

        int c = cal.div(a, b);

        TextBox3.Text = c.ToString();

    }

}