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20. Using the Entity Framework in n-Tier... > Finding Your Motivation: A Master/De...

Finding Your Motivation: A Master/Detail Data Entry Form That Will Use the DataBridge Class

Before getting into the details of what might be in the DataBridge class, it is helpful to have some knowledge of the needs of its consumer, which is to be a Windows Forms data entry form that allows a user to manage customers and their reservations. The form uses only the business layer as a conduit for retrieving and returning all of the data that is needed in the user interface.

Master/detail data entry is pretty standard for business applications. The DataBridge class will need to perform some typical tasks: providing selection lists, retrieving a specific entity graph from the data store to pass to the calling class (in this case, the UI), persisting changes back to the database, and more.


  

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