Seam should automagically do the type conversion from String to Long ... are you sure that was the problem? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3957924#3957924 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=3957924