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WCF example for inserting and displaying data from a SQL Server database using a WCF Service in ASP.NET

, 30 Sep 2012
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In this article I will show you a practical example of a WCF service for inserting data into a database using ASP.NET.
This is an old version of the currently published tip/trick.

Introduction

In this article I will show you a practical example of a WCF service for inserting data into a database using ASP.NET.

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

  1. Open Visual Studio 2010
  2. New WCF Service Application.
  3. Give the name for the service as Customer Service.
  4. Press OK.

Open VS 2010

After the new project CustomerService project is created.

Then you will get three files:

  • IService.cs
  • Service.svc
  • Service.svc.cs

IService.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.Runtime.Serialization;
using System.ServiceModel;

[ServiceContract]
public interface IService
{

    [OperationContract]
    List<CustomerDetails> GetCustomerDetails(string CutomerName);

    [OperationContract]
    string InsertCustomerDetails(CustomerDetails customerInfo);
}

 [DataContract]
public class CustomerDetails
{
    string CutomerName = string.Empty;
    string firstname = string.Empty;
    string lastname = string.Empty;
    string address = string.Empty;

    [DataMember]
    public string CutomerName
    {
        get { return CutomerName; }
        set { CutomerName = value; }
    }
    [DataMember]
    public string FirstName
    {
        get { return firstname; }
        set { firstname = value; }
    }
    [DataMember]
    public string LastName
    {
        get { return lastname; }
        set { lastname = value; }
    }
    [DataMember]
    public string Address
    {
        get { return address; }
        set { address = value; }
    }
}

And write the following code in the Service.cs file:

Service.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 Service : IService
{
    SqlConnection con = new SqlConnection(
       "Data Source=Sujeet;Initial Catalog=Register;User ID=sa;Password=123");

    public List<CustomerDetails> GetCustomerDetails(string CutomerName)
    {
        List<CustomerDetails> CustomerDetails = new List<CustomerDetails>();
        {
            con.Open();
            SqlCommand cmd = new SqlCommand(
              "select * from CustomerInfo where CutomerName Like '%'+@Name+'%'", con);
            cmd.Parameters.AddWithValue("@Name", CutomerName);
            SqlDataAdapter da = new SqlDataAdapter(cmd);
            DataTable dt = new DataTable();
            da.Fill(dt);
            if (dt.Rows.Count > 0)
            {
                for (int i = 0; i < dt.Rows.Count; i++)
                {
                    CustomerDetails customerInfo = new CustomerDetails();
                    customerInfo.CutomerName = dt.Rows[i]["CutomerName"].ToString();
                    customerInfo.FirstName = dt.Rows[i]["FirstName"].ToString();
                    customerInfo.LastName = dt.Rows[i]["LastName"].ToString();
                    customerInfo.Address = dt.Rows[i]["Address"].ToString();
                    CustomerDetails.Add(customerInfo);
                }
            }
            con.Close();
        }
        return CustomerDetails;
    }

    public string InsertCustomerDetails(CustomerDetails customerInfo)
    {
        string strMessage = string.Empty;
        con.Open();
        SqlCommand cmd = new SqlCommand("insert into CustomerInfo(CutomerName," + 
           "FirstName,LastName,Address) values(@Name,@FName,@LName,@Address)", con);
        cmd.Parameters.AddWithValue("@Name", customerInfo.CutomerName);
        cmd.Parameters.AddWithValue("@FName", customerInfo.FirstName);
        cmd.Parameters.AddWithValue("@LName", customerInfo.LastName);
        cmd.Parameters.AddWithValue("@Address", customerInfo.Address);
        int result = cmd.ExecuteNonQuery();
        if (result == 1)
        {
            strMessage = customerInfo.CutomerName + " inserted successfully";
        }
        else
        {
            strMessage = customerInfo.CutomerName + " not inserted successfully";
        }
        con.Close();
        return strMessage;
    }
}

Build your service and if successful then run your service in your browser and then you will get a URL link like below and copy that URL:

Service

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 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 -> OK.
  6. Open Service Reference

  7. Then automatically a proxy will be created in your client system.
  8. Write the following code in your source code:
  9. <html xmlns="http://www.w3.org/1999/xhtml">
    <head runat="server">
        <title></title>
    </head>
    <body>
        <form id="form1" runat="server">
        <div>
       
            <h2  >
                <strong>Cutomer  Form</strong></h2>
       
        </div>
        <table align="center" class="style1">
            <tr>
                <td  >
                    CutomerName</td>
                <td>
                    <asp:TextBox ID="txtCutomerName" runat="server"></asp:TextBox>
                    <asp:RequiredFieldValidator ID="RequiredFieldValidator1" runat="server"
                        ControlToValidate="txtCutomerName" ToolTip="CutomerName Required"><imgsrc="delete.png" /></asp:RequiredFieldValidator>
                </td>
            </tr>
            <tr>
                <td  >
                    First Name</td>
                <td>
                    <asp:TextBox ID="txtfname" runat="server"></asp:TextBox>
                    <asp:RequiredFieldValidator ID="RequiredFieldValidator2" runat="server"
                        ControlToValidate="txtfname" ToolTip="Firstname Required"><imgsrc="delete.png" /></asp:RequiredFieldValidator>
                </td>
            </tr>
            <tr>
                <td  >
                    Last Name</td>
                <td>
                    <asp:TextBox ID="txtlname" runat="server"></asp:TextBox>
                    <asp:RequiredFieldValidator ID="RequiredFieldValidator3" runat="server"
                        ControlToValidate="txtlname" ToolTip="Lastname Required"><imgsrc="delete.png" /></asp:RequiredFieldValidator>
                </td>
            </tr>
            <tr>
                <td  >
                    Address</td>
                <td>
                    <asp:TextBox ID="txtAddress" runat="server"></asp:TextBox>
                    <asp:RequiredFieldValidator ID="RequiredFieldValidator4" runat="server"
                        ControlToValidate="txtAddress" ToolTip="Address Required"><imgsrc="delete.png" /></asp:RequiredFieldValidator>
                </td>
            </tr>
            <tr>
                <td  >
                     </td>
                <td>
                    <asp:Button ID="btnSubmit" runat="server" Text="Submit"
                        onclick="btnSubmit_Click" />
                </td>
            </tr>
        </table>
        <table align="center" class="style3">
            <tr>
                <td>
                    <asp:Label ID="lblResult" runat="server"/>
                    <br />
                    <br />
                    <asp:GridView ID="GridView1" runat="server"BackColor="LightGoldenrodYellow"
                        BorderColor="Tan" BorderWidth="1px" CellPadding="2"ForeColor="Black"
                        GridLines="None" style="text-align: left" Width="304px">
                        <AlternatingRowStyle BackColor="PaleGoldenrod" />
                        <FooterStyle BackColor="Tan" />
                        <HeaderStyle BackColor="Tan" Font-Bold="True" />
                        <PagerStyle BackColor="PaleGoldenrod" ForeColor="DarkSlateBlue"
                            HorizontalAlign="Center" />
                        <SelectedRowStyle BackColor="DarkSlateBlue" ForeColor="GhostWhite"/>
                        <SortedAscendingCellStyle BackColor="#FAFAE7" />
                        <SortedAscendingHeaderStyle BackColor="#DAC09E" />
                        <SortedDescendingCellStyle BackColor="#E1DB9C" />
                        <SortedDescendingHeaderStyle BackColor="#C2A47B" />
                    </asp:GridView>
                </td>
            </tr>
        </table>
        </form>
        </body>
    </html>
  10. Add your service reference on the top.
  11. using ServiceReference1;
  12. Then create an object for Service Reference and use that object to call the methods from your service.
  13. 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
{
    ServiceReference1.ServiceClient objService = new ServiceReference1.ServiceClient();

    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            BindUserDetails();
        }
    }

    protected void BindUserDetails()
    {
        IList<CustomerDetails> objUserDetails = new List<CustomerDetails>();
        objUserDetails = objService.GetCustomerDetails("");

        GridView1.DataSource = objUserDetails;
        GridView1.DataBind();
    }

    protected void btnSubmit_Click(object sender, EventArgs e)
    {
        CustomerDetails customerInfo = new CustomerDetails();
        customerInfo.CutomerName = txtCutomerName.Text;
        customerInfo.FirstName = txtfname.Text;
        customerInfo.LastName = txtlname.Text;
        customerInfo.Address = txtlocation.Text;
        string result = objService.InsertCustomerDetails(customerInfo);
        lblResult.Text = result;
        BindUserDetails();
        txtCutomerName.Text = string.Empty;
        txtfname.Text = string.Empty;
        txtlname.Text = string.Empty;
        txtAddress.Text = string.Empty;
    }
}

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

!! Happy Programming !!

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

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


Discussions posted for the Published version of this article. Posting a message here will take you to the publicly available article in order to continue your conversation in public.
 
Questiongood article Pinmemberbrijesh vaidya23-Jun-14 20:57 
Questionwhat is the use of using wcf service for insertion,deletion,updation in real time projects ? Explain ? PinmemberCHAITANYA KIRAN KASANI5-Jun-14 1:30 
QuestionNice Articles PinmemberP.Venkatachalam26-Feb-14 2:37 
AnswerRe: Nice Articles PinmemberSujit Bhujbal24-Mar-14 20:38 
GeneralSuperb Pinmembermcdubey17-Feb-14 2:48 
GeneralRe: Superb PinmemberSujit Bhujbal24-Mar-14 20:37 
GeneralHelpful Pinmemberitrywhatic#13-Feb-14 10:56 
GeneralRe: Helpful PinmemberSujit Bhujbal24-Mar-14 20:36 
QuestionHelpful site PinmemberMohit Jain6-Feb-14 4:57 
AnswerRe: Helpful site PinmemberSujit Bhujbal24-Mar-14 20:36 
Questiongood article PinmemberMember 96549963-Jan-14 17:51 
AnswerRe: good article PinmemberSujit Bhujbal8-Jan-14 20:56 
QuestionGood One ! Pinmembervenkatesun4-Dec-13 4:21 
AnswerRe: Good One ! PinmemberSujit Bhujbal4-Dec-13 6:17 
QuestionPrintable version Pinmembersthabisod4-Nov-13 1:54 
AnswerRe: Printable version PinmemberSujit Bhujbal4-Nov-13 5:37 
QuestionZakas Article PinmemberNandakishor Arun Gaikwad28-Oct-13 2:50 
AnswerRe: Zakas Article PinmemberSujit Bhujbal28-Oct-13 4:20 
QuestioneRROR dISPLAYING Pinmembervijay.cs99@gmail.com23-Oct-13 8:08 
AnswerRe: eRROR dISPLAYING PinmemberMember 1035615823-Oct-13 16:43 
GeneralRe: eRROR dISPLAYING PinmemberSujit Bhujbal24-Oct-13 20:34 
QuestionRun time error PinmemberMember 1034473918-Oct-13 6:06 
AnswerRe: Run time error PinmemberSujit Bhujbal19-Oct-13 5:03 
GeneralRe: Run time error PinmemberMember 1034473919-Oct-13 19:18 
GeneralRe: Run time error PinmemberSujit Bhujbal20-Oct-13 4:24 

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