Create the data access tier and data tier projects

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Reference no: EM132390880

Create the Data Access tier and Data tier projects:

1. Create a class library project for the Data tier.

2. Add a new class library project the project created in Step 1 for the data access tier.

3. Add a typed DataSet using a new data source that connects to the Northwind sample database.

4. Select the database objects (customers, orders, order details, products, categories, and suppliers) tables.

5. Make sure the TableAdapters are stored in the Data Access tier and the DataSet class is added to the Data tier.

• Make sure that separate tiers are created for each layer by verifying that separate class libraries were created and the necessary references to the project were added.

Assignment Guidelines

• Add the following to the Phase 2 individual project:

o Add a new Windows Communication Foundation (WCF) service library project to the Phase 2 individual project to communicate with the Data Access tier.

o Add the necessary queries and methods to the table adapters that will return, add, edit, and delete the data from the tables specified in Phase 2.

o Add references in the Data Service to the Data tier and Data Access tier projects.

o Add methods to the Data Service class created in Step 1 that will call into the Data Access tier.

• Make sure that separate tiers are created for each layer by verifying that separate class libraries were created and the necessary references to the project were added.

Reference no: EM132390880

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