326Microsoft Visual Studio 2010: A Beginner’s Guide
Normally, you don’t want to deploy the App_Data folder because it might hold a database file that is huge and would slow down your application considerably. Of course, if you have SQL Server Express installed at the deployment location and need the database in App_Data to be deployed, check this box to include the database in the deployment. Click Publish to deploy your service.
When deployment is complete, you’ll see a message on the VS status bar stating either Publish Succeeded or Publish Failed. If publishing fails, open the Output window,
Now that you know how to develop and deploy a WCF service, you’ll need to know how to write programs that use that service, which is covered next.
Communicating with a WCF Service
Any .NET application can communicate with a Web service. In fact, one of the benefits of having a Web service is to expose functionality that can be used by multiple applications. In theory, any application on any platform can communicate via Web services because the underlying technology relies on open standards, such as HTTP and XML. In practice, the goal of
.NET technology. The following sections show you how to make your applications, clients, communicate with Web services. Let’s look at the task of generally creating a reference to a Web service first.
Creating a Service Reference
Regardless of what type of application you’re building, you create a reference to a Web service, called a service reference, in the same way. You start off with a project, any project
