How to default to collapased groups in a richfaces:extendedDataTable
The default behavior for a richfaces:extendedDataTabl开发者_开发百科e with groups is to display all the groups in their expanded view. The user can then collapse them or expand them using the UI. How can the groups be displayed collapsed by default?
Unfortunately, there's no supported way of doing this according to the RichFaces team.
http://community.jboss.org/message/539369#539369
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