ZK - Open Source Ajax Java Framework

how to authenticate user using spring security in zk.
plz give example such that username ,password and user role
authenticated with database values.

thanks in advance

Please refer to Customize Your ZK Pages Per Spring Security Authority Roles
http://docs.zkoss.org/wiki/Customize_Your_ZK_Pages_Per_Spring_Security_Authority_Roles

BTW, I'll move this thread from "ZK Studio" to "Help"