I got the answer! Here is code
DynaActionForm dy = (DynaActionForm) form; ActionErrors err = new ActionErrors(); err = dy.validate(mapping,request) __________________________________________________ Do You Yahoo!? Everything you'll ever need on one web page from News and Sport to Email and Music Charts http://uk.my.yahoo.com -- To unsubscribe, e-mail: <mailto:struts-user-unsubscribe@;jakarta.apache.org> For additional commands, e-mail: <mailto:struts-user-help@;jakarta.apache.org>