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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://developer.jboss.org/thread/149443
Feb 07, 2012 · yes, i know this works, but if i have a standard jsf component without ajax support, i need this a4j:support tag to work. is there a way to simulate a …
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> already has Ajax support built-in and there is no need to add <a4j:support>. ... commandButton> is contained in a re-rendered region than the "oncomplete" attribute has a problem with obtaining a reference of the commandButton object when using the keyword 'this'.
https://stackoverflow.com/questions/4015012/richfaces-changing-a-components-rendered-attribute-value-with-a4jsupport-in
I'm trying to use richfaces extendedDataTable with a4j:support to change a rich:panel's 'rendered' attribute's value but it's not working. This is part of my JSF page that contains a rich:
https://stackoverflow.com/questions/25620694/a4jsupport-in-a-rerender-is-not-working
Sep 02, 2014 · The problem is: just the simple checkbox function, without the rerendering works pretty well. But as soon as the a4j:support is rerendered, it's not working, the System.out.println() is never called. This looks so easy, but I don't know why it's not working at all! Any hint/trick? This is old environment, so JSF 1.2 only.
https://community.oracle.com/thread/1719247
Jul 14, 2010 · Hi All, I Need to Hide/Show the outputpanel when i select one option from <h:selectOneRadio> using a4j:support. By default Date output panel is hidden but when yes option is selected it should be displayed and vice versa using ajax support.
https://planet.jboss.org/post/using_richfaces_a4j_jsfunction_sending_an_ajax_request_from_any_javascript
Jun 03, 2010 · Well, as it turns out we don’t need to do it because a4j:jsFunction provides exactly what we need. When we place a4j:jsFunction on a page, a JavaScript function will be rendered that fires a regular Ajax request, not much different than we use a4j:commandButton or a4j:support tags. All we need to do is just call this function.
https://coderanch.com/t/540946/java/Page-section-update-call-support
Method associated by a4j:support is called. But the section of page does not rendered.I have found this problem in IE 9. Up to IE 8 ,Firefox and chrome, it works fine.
https://planet.jboss.org/post/richfaces_region_partial_jsf_tree_processing
Jul 20, 2009 · Many believe that the region tag limits what is rendered in the JSF component tree (to the browser). However, it’s used for the opposite purpose, to mark areas on the JSF component tree to be processed on the server during the Apply Request Values, Process Validations, and Update Model Values phases. ... The event is fired by a4j:support ...
http://ac.aua.am/CIS/AVSL/Literature/JSF/eBooks/Ajax4JSF/ch06s21.html
The <a4j:support> component adds an AJAX support to any existing JSF component. It allows a component to generate asynchronous requests on the necessary event demand and with partial update of page content after a response incoming from the server.
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