Main / Business / A4j
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The a4j:ajax> behavior allows Ajax capability to be added to a non-Ajax component. The non-Ajax component must implement the ClientBehaviorHolder . The a4j:region> component specifies the part of the component tree to be processed on server. If no a4j:region> is defined the whole View functions as a . Use a4j:actionListener to register an ActionListener class on a parent action component. Multiple listener methods can be registered on an action components in.