Interface

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

namespace MyServiceInterface
{
[ServiceContract]
public interface IService1
{
[OperationContract]
int Add(int Number1, int Number2);
[OperationContract]
int Sub(int Number1, int Number2);
[OperationContract]
int Mul(int Number1, int Number2);
[OperationContract]
int Div(int Number1, int Number2);
}
[ServiceContract]
public interface IService2
{
[OperationContract][WebGet(UriTemplate = "/Add/{Number1}/{Number2}", RequestFormat = WebMessageFormat.Json, ResponseFormat = WebMessageFormat.Json)]
int AddRest(string Number1, string Number2);
[OperationContract][WebGet(UriTemplate = "/Sub/{Number1}/{Number2}", RequestFormat = WebMessageFormat.Json, ResponseFormat = WebMessageFormat.Json)]
int SubRest(string Number1, string Number2);
[OperationContract][WebGet(UriTemplate = "/Mul/{Number1}/{Number2}", RequestFormat = WebMessageFormat.Json, ResponseFormat = WebMessageFormat.Json)]
int MulRest(string Number1, string Number2);
[OperationContract][WebGet(UriTemplate = "/Div/{Number1}/{Number2}", RequestFormat = WebMessageFormat.Json, ResponseFormat = WebMessageFormat.Json)]
int DivRest(string Number1, string Number2);
}
}

Class

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

using MyServiceInterface;

namespace WebApplicationWCF
{
public class Service1 : IService1, IService2
{
public int Add(int Number1, int Number2)
{
return Number1 + Number2;
}
public int Sub(int Number1, int Number2)
{
return Number1 - Number2;
}
public int Mul(int Number1, int Number2)
{
return Number1 Number2;
}
public int Div(int Number1, int Number2)
{
return Number1 / Number2;
}
public int AddRest(string Number1, string Number2)
{
int num1 = Convert.ToInt32(Number1);
int num2 = Convert.ToInt32(Number2);
return num1 + num2;
}
public int SubRest(string Number1, string Number2)
{
int num1 = Convert.ToInt32(Number1);
int num2 = Convert.ToInt32(Number2);
return num1 - num2;
}
public int MulRest(string Number1, string Number2)
{
int num1 = Convert.ToInt32(Number1);
int num2 = Convert.ToInt32(Number2);
return num1 num2;
}
public int DivRest(string Number1, string Number2)
{
int num1 = Convert.ToInt32(Number1);
int num2 = Convert.ToInt32(Number2);
return num1 / num2;
}
}
}

Server

1. <system.serviceModel>
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   

       <endpoint name ="RESTEndPoint"
                 contract ="MyServiceInterface.IService2"
                 binding ="webHttpBinding"
                 address ="rest"
                 behaviorConfiguration ="restbehavior"/>
   
       <endpoint contract="IMetadataExchange"
                 binding="mexHttpBinding"
                 address="mex" />
     </service>
   </services>

   </system.serviceModel>

   <system.webServer>
   

   <!--
       To browse web app root directory during debugging, set the value below to true.
       Set to false before deployment to avoid disclosing web app folder information.
     -->
   <directoryBrowse enabled="true"/>

   </system.webServer>
   

2. class Program
   {
   static void Main(string[] args)
   {
   Uri baseAddress = new Uri("http://localhost:8000/Service1.svc");
   WebServiceHost svcHost = new WebServiceHost(typeof(Service1), baseAddress);
   svcHost.AddServiceEndpoint(typeof(IService2), new WebHttpBinding(), "rest");
   try
   {
   svcHost.Open();
   Console.WriteLine("Service is running");
   Console.WriteLine("Press enter to quit...");
   Console.ReadLine();
   svcHost.Close();
   }
   catch (CommunicationException cex)
   {
   Console.WriteLine("An exception occurred: {0}", cex.Message);
   Console.ReadLine();
   svcHost.Abort();
   }
   }
   }