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.Data;

namespace WcfService2

{

    // NOTE: You can use the "Rename" command on the "Refactor" menu to change the interface name "IService1" in both code and config file together.

    [ServiceContract]

    public interface IService1

    {

        [OperationContract]

        string GetData(int value);

        /// <summary>

        /// Method to retrieve information from database for particular email id.

        /// </summary>

        /// <param name="eMail">EmailId of that person for which you would take information</param>

        /// <returns> string type xml data</returns>

        [OperationContract]

        [WebGet(UriTemplate = "data/{value}")]

       string GetLoginInformation(string eMail);

        [OperationContract]

        CompositeType GetDataUsingDataContract(CompositeType composite);

        // TODO: Add your service operations here

    }

    // Use a data contract as illustrated in the sample below to add composite types to service operations.

    [DataContract]

    public class CompositeType

    {

        bool boolValue = true;

        string stringValue = "Hello ";

        [DataMember]

        public bool BoolValue

        {

            get { return boolValue; }

            set { boolValue = value; }

        }

        [DataMember]

        public string StringValue

        {

            get { return stringValue; }

            set { stringValue = value; }

        }

    }

}

using System;

using System.Data;

using System.Data.SqlClient;

namespace WcfService2

{

    // NOTE: You can use the "Rename" command on the "Refactor" menu to change the class name "Service1" in code, svc and config file together.

    public class Service1 : IService1

    {

        public string GetData(int value)

        {

            return string.Format("You entered: {0}", value);

        }

        public string GetLoginInformation(string eMail)

        {

            SqlConnection con = new SqlConnection(System.Web.Configuration.WebConfigurationManager.ConnectionStrings["myConnection"].ConnectionString);

            con.Open();

            string queryString = string.Format("select * from tblLogin where EmailId = '{0}'", eMail);

            SqlCommand cmd = new SqlCommand(queryString, con);

            // SqlDataReader dr = cmd.ExecuteReader();

            SqlDataAdapter da = new SqlDataAdapter(cmd);

            DataSet ds = new DataSet();

            da.Fill(ds);

            DataTable dt = new DataTable();

            string xmlData = ds.GetXml();

            da.Dispose();

            con.Close();

            return xmlData;

        }

        public CompositeType GetDataUsingDataContract(CompositeType composite)

        {

            if (composite == null)

            {

                throw new ArgumentNullException("composite");

            }

            if (composite.BoolValue)

            {

                composite.StringValue += "Suffix";

            }

            return composite;

        }

    }

}

<!--LayoutRoot is the root grid where all page content is placed-->

    <Grid x:Name="LayoutRoot" Background="Transparent">

        <Grid.RowDefinitions>

            <RowDefinition Height="Auto"/>

            <RowDefinition Height="*"/>

        </Grid.RowDefinitions>

        <!--TitlePanel contains the name of the application and page title-->

        <StackPanel x:Name="TitlePanel" Grid.Row="0" Margin="12,17,0,28">

            <TextBlock x:Name="ApplicationTitle" Text="My Application" Style="{StaticResource PhoneTextNormalStyle}"/>

            <TextBlock x:Name="PageTitle" Text="DataBindingDemo" Margin="9,-7,0,0" Style="{StaticResource PhoneTextTitle1Style}" FontSize="36" />

        </StackPanel>

        <!--ContentPanel - place additional content here-->

        <Grid x:Name="ContentPanel" Grid.Row="1" Margin="12,0,12,0" DataContext="{Binding}">

            <Button Content="Invoke WCF Service" Height="72" HorizontalAlignment="Left" Margin="124,583,0,0" Name="button1" VerticalAlignment="Top" Width="302" Click="button1_Click" />

            <TextBlock Height="571" HorizontalAlignment="Left" Margin="12,6,0,0" Name="txtBlockContent" Text="" VerticalAlignment="Top" Width="438" />

        </Grid>

    </Grid>

using System;

using System.Windows;

using Microsoft.Phone.Controls;

using DataBindDemo.ServiceReference1;

namespace DataBindDemo

{

    public partial class MainPage : PhoneApplicationPage

    {

        // Constructor

        public MainPage()

        {

            InitializeComponent();

            // GetInfo();

        }

        public void GetInfo()

        {

            ServiceReference1.Service1Client proxy = new ServiceReference1.Service1Client();

            proxy.GetLoginInformationAsync("amitsingh@xyz.com");

            proxy.GetLoginInformationCompleted += new EventHandler<ServiceReference1.GetLoginInformationCompletedEventArgs>(proxy_GetLoginInformationCompleted);

        }

        void proxy_GetLoginInformationCompleted(object sender, ServiceReference1.GetLoginInformationCompletedEventArgs e)

        {

            // Bind Data from WCF Service

            txtBlockContent.Text = e.Result;

        }

        private void button1_Click(object sender, RoutedEventArgs e)

        {

            Service1Client proxyClient = new Service1Client();

            proxyClient.GetLoginInformationAsync("amitsingh@xyz.com");

            proxyClient.GetLoginInformationCompleted += new EventHandler<ServiceReference1.GetLoginInformationCompletedEventArgs>(proxy_GetLoginInformationCompleted);

        }

    }

}

<configuration>

    <system.serviceModel>

        <bindings>

            <basicHttpBinding>

                <binding name="BasicHttpBinding_IService1" maxBufferSize="2147483647"

                    maxReceivedMessageSize="2147483647">

                    <security mode="None" />

                </binding>

            </basicHttpBinding>

        </bindings>

        <client>

            <endpoint address="http://localhost:51641/Service1.svc" binding="basicHttpBinding"

                bindingConfiguration="BasicHttpBinding_IService1" contract="ServiceReference1.IService1"

                name="BasicHttpBinding_IService1" />

        </client>

    </system.serviceModel>

</configuration>