ZK - Open Source Ajax Java Framework

I have create a dynamic grid which contain a label having a sequence number in ascending order,then i have to use a thread for 1000 milisec when thread is start this grid is sort in decending order of seq no.when i will stop the thread i have give a message box on mozilla that server is temporary out of service this error is serious or not for project plz give me a replay.

Hi archana,
Could you post your sample code?