Building the Web Services
The first task is to build the Web Services that your mobile application will use. You'll be creating three Web Services with two methods each that access the sample Northwind Traders database. While you would typically not build Web Services for this purpose, they serve a useful purpose here to show you another method in which Web Services can be integrated into different types of applications.
To get started, create a new Web Service project in your choice of languages. For this project, we'll be using Visual Basic .NET, as has been done throughout these projects.
Adding the Database Class
The first task is to add the Database class to get access to SQL Server without having to write a lot of extra data access code. ...
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