Create Silverlight Enabled Service

WCF Services are easy to called in Silverlight, however there are few tweaks are required to change a Normal WCF Service to silverlight enabled WCF Service.

• Open Visual Studio 2008.
• Create New Project
• Select WCF
• WCF Service Library as shown in figure below
  

•  Open App.Config and change below line
  

with

basicHttpBinding" contract="SilverlightEnabledWebService.IService1">

Now Add below in Service.cs

using System.ServiceModel.Activation;

Add following line just above the the class start

    [AspNetCompatibilityRequirements(RequirementsMode = AspNetCompatibilityRequirementsMode.Allowed)]

Complete Code for Interface

using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.Serialization;
using System.ServiceModel;
using System.ServiceModel.Activation;
using System.Text;

namespace SilverlightEnabledWebService
{
    // NOTE: If you change the interface name "IService1" here, you must also update the reference to "IService1" in App.config.
    [ServiceContract]
    public interface IService1
    {
        [OperationContract]
        string GetData(int value);

    }


}

Complete code for Service Class

using System;

using System.Collections.Generic;

using System.Linq;

using System.Runtime.Serialization;

using System.ServiceModel;

using System.Text;

using System.ServiceModel.Activation;

namespace SilverlightEnabledWebService

{

    // NOTE: If you change the class name "Service1" here, you must also update the reference to "Service1" in App.config.

    [AspNetCompatibilityRequirements(RequirementsMode = AspNetCompatibilityRequirementsMode.Allowed)]

    public class Service1 : IService1

    {

        public string GetData(int value)

        {

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

        }

    }

}