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https://stackoverflow.com/questions/17614691/a4j-render-not-working
When I click on the a4j command link,want to display the modal panel with differrent values. It works correctly if there is no a4j:form inside the modal panel. But I want to validate and save the attributes inside the modal panel on click of save button, and hence couldnt proceed with out the form component.
https://developer.jboss.org/thread/13287
Dec 03, 2008 · Re: <a4j:support action does not rerender Ilya Shaikovsky Dec 3, 2008 6:12 AM ( in response to Blochaou Blochaou ) make support ajax single in order no to submit the second one which depends on the first.
https://docs.jboss.org/richfaces/latest/vdldoc/a4j/ajax.html
The <a4j:ajax> behavior allows Ajax capability to be added to a non-Ajax component. The non-Ajax component must implement the ClientBehaviorHolder interface for all the event attributes that support behavior rendering.
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://docs.jboss.org/richfaces/latest_3_3_X/en/devguide/html/a4j_commandButton.html
The <a4j:commandButton> already has Ajax support built-in and there is no need to add <a4j:support>. The usage of the keyword 'this' in JavaScript code in the value for "oncomplete" attribute depends on the location of <a4j:commandButton> .
https://docs.jboss.org/richfaces/latest_3_3_X/en/devguide/html/ArchitectureOverview.html
Basic concepts of the RichFaces Framework. ... Ajax attributes are common for Ajax components such as <a4j:support>, <a4j:commandButton>, <a4j ... by using the <a4j:region> tag. If you wish to render the content of an Ajax response outside of the active region then the value of the "renderRegionOnly" attribute should be set to "false" ("false ...
https://docs.jboss.org/richfaces/latest_4_5_X/Component_Reference/en-US/html/chap-Component_Reference-Common_Ajax_attributes.html
As such, when RichFaces renders the component via Ajax, the page does not update as the place for the update is not known. To work around this issue, wrap the component to be rendered in an <a4j:outputPanel> component. The <a4j:outputPanel> component will receive the update and render the component as required.
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