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WCF Multi-layer Services Development with Entity Framework Fourth Edition by Mike Liu

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Creating the service interface layer

The last step is to create the service interface layer. Again, the steps here are very similar to the steps in Chapter 5, Implementing a Three-layer WCF Service, so you can refer to this chapter for more details.

  1. Right-click on the solution item and select Add | New Project.... Add a WCF Service Library project with the name NorthwindService.
  2. Add a project reference to NorthwindLogic and NorthwindBDO to this new service interface project.
  3. Right-click on the project item NorthwindService, select Manage NuGet Packages… and then install Entity Framework.
  4. Change the service interface file, IService1.cs, as follows:
    1. Change its filename from IService1.cs to IProductService.cs. This will also change the interface name ...

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