Creating the model layer for a master detail page

We are now going to create a new page that uses an entity object (EO). We need to define an entity object, if we intend our page to perform database transactions, such as inserts, updates, and deletes. In the scenario where we are going to implement only for the purposes of this book, we are going to demonstrate building a page that performs database transactions and later show how to develop more advanced features using OA Framework. What we are going to do is create a page that will display societies or clubs that an employee belongs to that are either internally run by our organization or externally run. We will also link up with the query page we have already created in the later recipes.

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