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WCF Example for Inserting, Deleting and Displaying Data using a WCF Service in ASP.NET

, 27 Sep 2013
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A practical example of a WCF service for inserting data into a database using ASP.NET

Introduction

In this tip, I will show you a practical example of a WCF service for inserting, deleting and displaying data using ASP.NET.

Basically this article will demonstrate with example the following:

  • Step by step procedure/example to create wcf service
  • How to consume/access wcf service
  • How to bind/Load/Fill gridview from Sql server database using wcf service
  • How to perform insert, edit, update and delete operation on gridview using wcf service

Using the Code

For inserting data into a database using a WCF service in ASP.NET, we have to do the following steps:

  • Create a WCF service
  • Create a Web based application

Part 1: Create a WCF Service

Open Visual Studio 2010

Step 1: Open Visual Studio -> Go to File menu -> New -> Project --> Select the new Empty Solution and give name WCFProject.

Step 2: Then add new Class Library Project and give name SaleClassLibrary.

Step 3: Then add reference of System.ServiceModel and System.Runtime.Serialization into that project.

Step 4: Then add new Interface ISaleService.

//
using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.Serialization;
using System.ServiceModel;
using System.ServiceModel.Web;
using System.Text;
using System.Collections.Generic;
using System.Runtime.Serialization;
using System.ServiceModel;

 [ServiceContract]
    interface ISaleService
    {
        [OperationContract]
         bool InsertCustomer(Customer obj);

        [OperationContract]
        List<Customer> GetAllCustomer();

        [OperationContract]
        bool DeleteCustomer(int Cid);

        [OperationContract]
        bool UpdateCustomer(Customer obj);     
    }

  [DataContract]
   public class Customer
    {
        [DataMember]
        public int CustomerID;
        [DataMember]
        public string CustomerName;        
        [DataMember]
        public string Address;
        [DataMember]
        public string EmailId;
    } 

Step 5: And write the following code in the SaleService.cs file:

SaleService.cs page:

using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.Serialization;
using System.ServiceModel;
using System.ServiceModel.Web;
using System.Text;
using System.Collections.Generic;
using System.Configuration;
using System.Data;
using System.Data.SqlClient;

public class SaleService : ISaleService
    {
        public bool InsertCustomer(Customer obj)
        {
            cutomerList.Add(obj);
            return true;
        }

        public List<Customer> GetAllCustomer()
        {
            return cutomerList;
        }

        public bool DeleteCustomer(int Cid)
        {
            var item = cutomerList.First(x => x.CustomerID == Cid);

            cutomerList.Remove(item);
            return true;
        }

        public bool UpdateCustomer(Customer obj)
        {
            var list = cutomerList;
            cutomerList.Where(p => p.CustomerID == 
            obj.CustomerID).Update(p => p.CustomerName = obj.CustomerName);
            return true;
        }

      public static  List<Customer> cutomerList = new List<Customer>()
         {
        new Customer {CustomerID = 1, CustomerName="Sujeet", 
        Address="Pune", EmailId="test@yahoo.com" },
        new Customer {CustomerID = 2, CustomerName="Rahul", 
        Address="Pune", EmailId="test@yahoo.com" },
        new Customer {CustomerID = 3, CustomerName="Mayur", 
        Address="Pune", EmailId="test@yahoo.com"}
         };
       
    }  
 
 public static class LinqUpdates
    {

        public static void Update<T>(this IEnumerable<T> source, Action<T> action)
        {
            foreach (var item in source)
                action(item);
        }

    } 

Step 6: Build your Class library.

Step 7: Add New Empty ASP.NET Project into that Solution, give name SaleServiceHost.

Step 8: Add reference of Classlibrary Project to that SaleServiceHost ASP.NET project.

Step 9: Add new item WCF Service in that SaleServiceHost ASP.NET project and give name SaleService.

Step 10: Right click on that SaleService.svc and select view Markup:

Change the Service Name from that markup:

<%@ ServiceHost Language="C#" Debug="true" Service="SaleClassLibrary.SaleService"  %>

Step 11: And build the solution and SaleServiceHost set as startup project and SaleService.svc set as startup page.

In this way, your WCF service builds successfully.

Part 2: Create a Web Based Application (Client)

Now create your client application in your system:

  1. Create a Website.
  2. Add Service Reference http://localhost:53544/SaleService.svc?wsdl to a Web Application.
  3. Select your Website.
  4. Right click on it, add Service Reference, then enter your Service URL and click Go.
  5. Give the name for your service SaleService -> OK.
  6. Then automatically a proxy will be created in your client system.
  7. Write the following code in your source code:
  8. <html xmlns="http://www.w3.org/1999/xhtml">
    <head runat="server">
        <title></title>
    </head>
    <body>
        <form id="form1" runat="server">
          <h2>
            Welcome to Sale Service</h2><table class="style1">
                <tr>
                    <td style="text-align: right">
                        Enter name</td>
                    <td>
                        <asp:TextBox ID="TextBox1" 
                        runat="server"></asp:TextBox>
                    </td>
                </tr>
                <tr>
                    <td class="style2">
                        Address</td>
                    <td>
                        <asp:TextBox ID="TextBox2" 
                        runat="server"></asp:TextBox>
                    </td>
                </tr>
                <tr>
                    <td class="style2">
                        Email ID</td>
                    <td>
                        <asp:TextBox ID="TextBox3" 
                        runat="server"></asp:TextBox>
                    </td>
                </tr>
                <tr>
                    <td class="style2">
                        &nbsp;</td>
                    <td>
                        <asp:Button ID="Button1" runat="server" 
                        onclick="Button1_Click" Text="Save" />
                    </td>
                </tr>
            </table>
        
    <p>
            <asp:GridView ID="GridView1" runat="server" 
            AllowPaging="True"  DataKeyNames="CustomerID,CustomerName"
                AllowSorting="True" AutoGenerateDeleteButton="True" 
                onrowdeleting="GridView1_RowDeleting">
            </asp:GridView>
    </p>
        <p>
            <asp:Label ID="Label1" runat="server" 
            Text="Label"></asp:Label>
        </form>
        </body>
    </html>
  9. Add your service reference on the top.
  10. using SaleService;
  11. Then create an object for Service Reference and use that object to call the methods from your service.
  12. Write the following code in your aspx.cs file.
Default.aspx.cs page:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Collections.Generic;
using ServiceReference1;

public partial class _Default : System.Web.UI.Page
{
    SaleService.SaleServiceClient proxy;
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                 proxy=new SaleService.SaleServiceClient();
                GridView1.DataSource=proxy.GetAllCustomer();
                GridView1.DataBind();
            }
        }

        protected void Button1_Click(object sender, EventArgs e)
        {
            proxy = new SaleService.SaleServiceClient();
            SaleService.Customer objcust = 
            new SaleService.Customer() { CustomerID=5, CustomerName=TextBox1.Text,
            Address=TextBox2.Text,EmailId=TextBox3.Text  };

            proxy.InsertCustomer(objcust);

            GridView1.DataSource = proxy.GetAllCustomer();
            GridView1.DataBind();
            Label1.Text = "Record Saved Successfully";
        }

        protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)
        {
            int userid = Convert.ToInt32(GridView1.DataKeys
            [e.RowIndex].Values["CustomerID"].ToString());
            proxy = new SaleService.SaleServiceClient();

            bool check = proxy.DeleteCustomer(userid);
              Label1.Text = "Record Deleted Successfully";
              GridView1.DataSource = proxy.GetAllCustomer();
              GridView1.DataBind();
        }
}

By using this, you have successfully inserted data in the database and you have also shown this in the grid view.

Please take a look at the attached code for more information.

Happy programming!!

Don’t forget to leave your feedback and comments below!

License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

About the Author

Sujit Bhujbal
Software Developer (Senior)
India India
Sujit Bhujbal is Senior Software Engineer having over 6 + years of Experience in Asp.net 3.5,WPF,WCF and has worked on various platforms. He worked during various phases of SDLC such as Requirements and Analysis, Design and Construction, development, maintenance, Testing, UAT.
 
He is Microsoft Certified Technology Specialist (MCTS) in Asp.net /WCF Applications. He worked at various levels and currently working as a Senior Software Engineer.
 
His core areas of skill are Web application development using WPF,WCF , C#.Net, ASP.Net 3.5, WCF, SQL Server 2008, CSS, Java script Web design using HTML, AJAX and Crystal Reports
 
He is proficient in developing applications using SilverLight irrespective of the language, with sound knowledge of Microsoft Expression Blend and exposure to other Microsoft Expression studio tools.

 
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Comments and Discussions

 
GeneralMy vote of 5 PinmemberAnusha SR28-Dec-12 20:02 
GeneralRe: My vote of 5 PinmemberSujit Bhujbal24-Feb-13 23:44 
GeneralRe: My vote of 5 PinmemberSujit Bhujbal24-Feb-13 23:49 
GeneralMy vote of 1 PinmemberDejaVu834-Nov-12 19:48 
GeneralRe: My vote of 1 PinmemberSujit Bhujbal6-Nov-12 22:15 
GeneralRe: My vote of 1 PinmemberSujit Bhujbal6-Nov-12 22:28 
GeneralRe: My vote of 1 PinmemberDejaVu837-Nov-12 5:03 
GeneralRe: My vote of 1 PinmemberSujit Bhujbal7-Nov-12 17:30 
Thanks DejaVu83,
This is a one way of spoon feeding ..
Please post your one own article ...
Thanks
Sujeet
 
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