How to expose only some operations in WCF service to client?

There are two ways as far I know:

Using Interface

Refactor your service contracts to exposes two endpoints, the interface of which is only relevant to the client that is consuming it:

[ServiceContract]

public interface IService1

{

[OperationContract]

void OperationOne();

}

[ServiceContract]

public interface IService2

{

[OperationContract]

void OperationTwo();

}

// Develop a class which implements IService1, IService2 for first client

public class MyServcie1: IService1, IService2

{

//Implementation here...

}

// Develop a class which implements IService1 for second client

public class MyServcie2: IService1

{

//Implementation here...

}

Using Explicitly Develop Multiple service

Go through below link:

http://dotnetmentors.com/multiple-wcf-services-in-one-solution-with-multiple-endpoints-and-hosting.aspx

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