WebService Creating and Consuming WebService in asp.net or Create and call webservice in asp.net

WebService Creating and Consuming WebService in asp.net or Create and call webservice in asp.net  :

1.Create Webservices use The Link:

http://vijubook.blogspot.com/2013/06/web-service-create-asp-net.html

2. Webservices Page Create and Then

  Solution Right Click --- > Add Web Reference 

 3. Web Services in this solution 

4 . Use Web Services Solution Select --- >  SampleWebservices.asmx                   

5 .Add Refrences  Web Services Select [WebMethod] --- > Add Refrences                    

6 .Refrences  Web Services Page in Add--- >

 Call webservice in asp.net  :

  <div align="center">

        A :

        <asp:TextBox ID="txtA" runat="server"></asp:TextBox>

        <br />

        B :

        <asp:TextBox ID="txtB" runat="server"></asp:TextBox>

        <br />

        <asp:Button ID="btnAdd" runat="server" Text="Add" OnClick="btnAdd_Click" />

        <br />

        <span style="color:Red;font-weight:bold">ANS:</span>

        <asp:Label ID="lblAns" runat="server"></asp:Label>

    </div>

aspx CS:

protected void btnAdd_Click(object sender, EventArgs e)

    {

       int x, y, Ans;

         x =Convert.ToInt32(txtA.Text);

        y =Convert.ToInt32(txtB.Text);

//Add Webservices (Use This Webservices)

        SampleWebservices objWebServicesAdd = new     

                                                                               SampleWebservices();

        //objWebServicesAdd.Add(x,y);

        Ans = Convert.ToInt32(objWebServicesAdd.Add(x, y));

        lblAns.Text =Convert.ToString(Ans);

            

    }