Hide/show content of a gridPanel

Every JSF component has a 'rendered' attribute which accepts a boolean expression. If it's outcome is true, then the component will be rendered and will be visible in the output, else not.

Here are some basic examples:<h:someComponent rendered="#{myBean.booleanValue}" />

<h:someComponent rendered="#{myBean.intValue > 10}" />

<h:someComponent rendered="#{myBean.objectValue == null}" />

<h:someComponent rendered="#{myBean.stringValue != 'someValue'}" />

<h:someComponent rendered="#{!empty myBean.collectionValue}" />

<h:someComponent rendered="#{!myBean.booleanValue && myBean.intValue != 0}" />

<h:someComponent rendered="#{myBean.stringValue == 'oneValue' || myBean.stringValue == 'anotherValue'}" />

BalusCa at 2007-7-12 14:46:06 >