tell me more icon Managed Bean

When you create a JSF page, you can specify whether to expose UI components on the page in a managed bean, which enables programmatic manipulation of the UI components.

When you drop a component on the page, JDeveloper inserts a bean property for each component and uses the binding attribute to bind component instances to those properties, allowing the bean to accept and return component instances. For example, if you drop a Command button onto a page, then it is bound to a property in the managed bean using code similar to the following, where the name of the page is myPage.jspx:

<af:commandButton text="commandButton 1"
binding="#{backing_myPage.commandButton1}"
id="commandButton1"/>

If you choose not to automatically expose the UI components in a managed bean, you can manually bind any UI components you drop onto the JSF page.

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