== ADF Business Layer ==

 {{attachment:datacontrols.gif}}

By default, any ADF Business Components application modules that you create are accessible as data controls. You need to explicitly create other kinds of data controls by selecting the Java Class, EJB Session Bean, or Web Service in the Application Navigator and either: 

Choosing Create Data Control from the context menu, or Dragging and dropping the item onto the Data Control Palette The DataControls.dcx file appears automatically in any project where you've created some data controls for business services that are not implemented using ADF application modules. The file stores a few pieces of basic metadata needed by the runtime framework about your data controls.
