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https://issues.jboss.org/browse/RF-11382?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12791683#comment-12791683
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Andrey Zhemoytuk commented on RF-11382:
---------------------------------------
Still the issue is reproducible on postback (at least when partial state saving
is turned off).
Tried with RichFaces 4.3.3.Final and JSF 2.1.24 the following example:
{code:xml}
<h:form>
<rich:dataTable rendered="false" value="#{viewScope.put('invoked', true)}">
</rich:dataTable>
<a4j:commandButton value="Postback" execute="@this" render="result"/>
</h:form>
<h:panelGroup id="result">
#{invoked}
</h:panelGroup>
{code}
> Datatable and ExtendedDatatable evaluate value attribute even if
> rendered=false
> -------------------------------------------------------------------------------
>
> Key: RF-11382
> URL: https://issues.jboss.org/browse/RF-11382
> Project: RichFaces
> Issue Type: Bug
> Security Level: Public(Everyone can see)
> Components: component-tables
> Affects Versions: 4.0.0.Final, 4.1.0.Milestone2
> Environment: Fedora 15, Glassfish 3.1.1, CDI (Weld)
> Reporter: Frederick Kämpfer
> Assignee: Brian Leathem
> Labels: lazy-loaded
> Fix For: 4.3.0.M3
>
> Original Estimate: 4 hours
> Remaining Estimate: 4 hours
>
> In Richfaces 4 both datatable and extendedDatatable evaluate the value
> attribute even when rendered is set to false, even though it is not
> necessary. This makes it hard to achieve performance by trimming parts of the
> view tree. The built-in h:dataTable behaves correctly in that case.
> To reproduce simply try this snipplet:
> {code:xml}
> <h:form>
> <rich:dataTable value="#{myBean.property}" rendered="false">
> </rich:dataTable>
> </h:form>
> {code}
> Side note: The reason I'm posting this is, that i want to embed a
> rich:dataTable in a ajax loaded rich:togglePanelItem which is loaded on
> demand. Probably fixing the "render" problem will also make the dataTable
> lazy-loadable when switching to the corresponding togglePanelItem.
> I hope this is no duplicate, I only found RichFaces 3 issues mentioning this
> problem.
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