Rendering a div with ajax


I have this div

<div id="name"> .... </div>

I also have a button that does this:

<h:commandLink id="bttn" action="#"> <f:ajax render="name"/> </h:commandLink>

The problem is that when executing, it says that there is no component called "name". Is there a way I can render a div with an ajax <strong>without enclosing it within a jsf component</strong>?


No, there's no way. Ajax rendering works roughly as follows under JSF's hoods:

for (String clientIdToRender : clientIdsToRender) { UIComponent componentToRender = viewRoot.findComponent(clientIdToRender); // ... }

However, as the plain HTML <div> is <em>not</em> as a fullworthy JSF component available by <a href="http://docs.oracle.com/javaee/6/api/javax/faces/component/UIComponentBase.html#findComponent%28java.lang.String%29" rel="nofollow">UIViewRoot#findComponent()</a>, JSF can't find anything to generate the updated HTML output for.

You do not necessarily need to wrap it in another JSF component, you can also just use a JSF component which generates already a HTML <div> element. That is the <h:panelGroup> component whose layout attribute is set to block (as in, "render a <a href="https://developer.mozilla.org/en-US/docs/HTML/Block-level_elements" rel="nofollow">block level</a> element").

<h:panelGroup layout="block" id="name"> ... </h:panelGroup> <h3>See also:</h3> <ul><li><a href="https://stackoverflow.com/questions/13009174/jsf-update-with-ajax-non-jsf-things/" rel="nofollow">Is it possible to update non-JSF components (plain HTML) with JSF ajax?</a></li> </ul>


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