Thanks for your reply. I managed to get it work the following way:
i use the following method in master detail:
I remove the datamodel, use arraylist so that it can be serializable. Use
savestate to store the arraylist. Then use updateactionlistener to fire the
current row to the bean.
<t:saveState value="#{processBean.processResults}" />
.......
<t:dataTable value="#{processBean.processResults}" ......
.....
<h:commandLink value="#{result.process_id}" action="detail"
actionListener="#{processBean.detail}">
<t:updateActionListener property="#{processBean.selectedProcessRecord}"
value="#{result}" />
</h:commandLink>
........
Works!
Final question: then what's the use of datamodel? i cannot get current row
using datamodel....not serializable
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