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

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11 Mar 2015CPOL2 min read
A practical example of a WCF service for inserting , Deleting and Displaying Data using a WCF Service in ASP.NET

Introduction 

WCF is more popular now a days and for beginners, I will show you a practical example of a WCF service for inserting, deleting and displaying data using ASP.NET.

Basically, this tip will demonstrate with example the following:

  • Step by step procedure/example to create WCF service
  • How to consume/access WCF service 
  • How to Use Proxy class
  • How to get data from WCF
  • 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 2010/2012.

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

Image 1

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.

C#
//
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:

C#
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.

Image 2

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.

Image 3

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

Image 4

Change the Service Name from that markup:

ASP.NET
<%@ 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.

Image 5

In this way, your WCF service builds successfully.

Part 2: Create a Web Based Application (Client)

Now, create your client application in your system:

Image 6

HTML
<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>
C#
using SaleService;
  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. Add your service reference on the top.
  9. Then create an object for Service Reference and use that object to call the methods from your service.
  10. Write the following code in your aspx.cs file.
Default.aspx.cs page:
C#
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 gridview.

Image 7

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)

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About the Author

Sujeet Bhujbal
Technical Lead
India India
Sujit Bhujbal is Senior Software Engineer having over 12 + years of Experience in .NET core , C#, Angular , SQL Server 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.


Microsoft Certified Technology Specialist (MCTS): Web Applications Development with Microsoft .NET Framework 4
Microsoft Certified Technology Specialist (MCTS): Accessing Data with Microsoft .NET Framework 4
Microsoft Certified Technology Specialist (MCTS): Windows Communication Foundation Development with Microsoft .NET Framework 4

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Comments and Discussions

 
GeneralRe: eRROR dISPLAYING Pin
Sujeet Bhujbal24-Oct-13 20:34
MemberSujeet Bhujbal24-Oct-13 20:34 
QuestionRun time error Pin
Member 1034473918-Oct-13 6:06
MemberMember 1034473918-Oct-13 6:06 
AnswerRe: Run time error Pin
Sujeet Bhujbal19-Oct-13 5:03
MemberSujeet Bhujbal19-Oct-13 5:03 
GeneralRe: Run time error Pin
Member 1034473919-Oct-13 19:18
MemberMember 1034473919-Oct-13 19:18 
GeneralRe: Run time error Pin
Sujeet Bhujbal20-Oct-13 4:24
MemberSujeet Bhujbal20-Oct-13 4:24 
QuestionThank you for the article Pin
Pendragon100025-Sep-13 5:58
MemberPendragon100025-Sep-13 5:58 
AnswerRe: Thank you for the article Pin
Sujeet Bhujbal25-Sep-13 6:39
MemberSujeet Bhujbal25-Sep-13 6:39 
QuestionAbout Article Pin
Manohar_manu19-Sep-13 19:21
MemberManohar_manu19-Sep-13 19:21 
Good Article easy to understand
Questionwcf tutorial Pin
Member 102366829-Sep-13 21:29
professionalMember 102366829-Sep-13 21:29 
GeneralRe: wcf tutorial Pin
Sujeet Bhujbal9-Sep-13 22:54
MemberSujeet Bhujbal9-Sep-13 22:54 
GeneralNice demo Pin
Member 1024375531-Aug-13 6:10
MemberMember 1024375531-Aug-13 6:10 
GeneralRe: Nice demo Pin
Sujeet Bhujbal31-Aug-13 7:44
MemberSujeet Bhujbal31-Aug-13 7:44 
Generalcomment Pin
Member 1023519129-Aug-13 3:49
MemberMember 1023519129-Aug-13 3:49 
GeneralRe: comment Pin
Sujeet Bhujbal29-Aug-13 5:14
MemberSujeet Bhujbal29-Aug-13 5:14 
GeneralRe: comment Pin
Sujeet Bhujbal31-Aug-13 6:21
MemberSujeet Bhujbal31-Aug-13 6:21 
QuestionWcf Example Pin
Mada Lavanya23-Aug-13 4:56
MemberMada Lavanya23-Aug-13 4:56 
AnswerRe: Wcf Example Pin
Sujeet Bhujbal25-Aug-13 21:17
MemberSujeet Bhujbal25-Aug-13 21:17 
GeneralMy vote of 4 Pin
naish_kewl11-Aug-13 8:44
Membernaish_kewl11-Aug-13 8:44 
GeneralRe: My vote of 4 Pin
Sujeet Bhujbal11-Aug-13 19:18
MemberSujeet Bhujbal11-Aug-13 19:18 
Questionthanks for the code Pin
doris from South Africa8-Aug-13 1:15
Memberdoris from South Africa8-Aug-13 1:15 
AnswerRe: thanks for the code Pin
Sujeet Bhujbal8-Aug-13 3:05
MemberSujeet Bhujbal8-Aug-13 3:05 
QuestionIs This method is used for real time Pin
kingsa26-Jul-13 22:17
Memberkingsa26-Jul-13 22:17 
QuestionAlways the Pleasure is mine Pin
Aman99321-Jul-13 19:52
MemberAman99321-Jul-13 19:52 
AnswerRe: Always the Pleasure is mine Pin
Sujeet Bhujbal11-Aug-13 19:19
MemberSujeet Bhujbal11-Aug-13 19:19 
QuestionThanks Pin
Aman99321-Jul-13 18:50
MemberAman99321-Jul-13 18:50 

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