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https://docs.jboss.org/richfaces/latest_3_3_X/en/devguide/html/a4j_support.html
The <a4j:support> component is the most important core component in the RichFaces library. It enriches any existing non-Ajax JSF or RichFaces component with Ajax capability. All other RichFaces Ajax components are based on the same principles <a4j:support> has.
https://javabeat.net/a4jsupport-how-to-use-action-attribute/
Jul 18, 2008 · a4j:support and action attribute. This example program demonstrates how to use action attribute to update the server values and display in the screen. In this example user inputs are passed to update method and processed. The values are updated in the h:panelGrid component. also read: Introduction to JSF; JSF Interview Questions
https://docs.jboss.org/richfaces/latest_3_3_X/en/devguide/html/a4j_commandButton.html
The <a4j:commandButton> component is very similar to JSF <h:commandButton>, the only difference is that an Ajax form submit is generated on a click and it allows dynamic rerendering after a …
https://developer.jboss.org/thread/151878
Nov 19, 2010 · For example , a value will change all the textbox value and a values may only change some textbox value.How can I reRender conditionally ? What method is more prefer for maintainability? For point 2 , I find that the reRender preperties of the <a4j:support> can accept the …
https://javabeat.net/a4jsupport-simple-example-on-onkeyup-event/
Jul 18, 2008 · a4j:support allows user developer to directly map a text filed and one output filed. When user types in, the typed characters are displayed same time on the output field. This is done using the Ajax call to the server.
https://stackoverflow.com/questions/2821934/using-a4jsupports-onchange-event-with-hselectonemenu
<a4j:support event="onchange" action="#{Bean1.onSelectOneMenuChange}" reRender="#{Bean1.reRenderIDList}" /> . Inside the Bean1.onSelectOneMenuChange(), I set the Bean1.reRenderIDList to a set of ID that required to be reRender based on the business requirement. The Bean1.getRenderIDList() runs when the page is refresh.
https://stackoverflow.com/questions/11223283/action-not-called-on-a4jcommandbutton-with-inner-a4jsupport-onclick-event
Jun 27, 2012 · The concrete functional requirement is not entirely clear as the startProcessingMainAction() makes no sense in the given example, it seems to be totally superfluous. But I think that you can solve it by moving the reRender attribute from the <a4j:support> to the <a4j:commandButton>, so
https://planet.jboss.org/post/using_richfaces_a4j_jsfunction_sending_an_ajax_request_from_any_javascript
Jun 03, 2010 · For example, a4j:commandButton will generate an HTML button that fires an Ajax request. a4j:commandLink will do the same but generates a link. a4j:support is always attached to another JSF component to enable sending an Ajax request based on some event supported by the parent component. a4j:poll which allows sending Ajax requests periodically.
https://www.javatpoint.com/richfaces-a4j-ajax
RichFaces <a4j:ajax> It allows Ajax capability to a non-Ajax component. The non-Ajax component must implement the ClientBehaviorHolder interface for all the event attributes that support behavior rendering. We must use event attribute to the standard JSF event that triggers the behavior.
https://planet.jboss.org/post/richfaces_with_hibernate_validator
That’s looks like too much work, first we need to add a4j:beanValidator and then a4j:support to each component. There a simpler way to do the same.
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