sp1786 wrote: what can i do in such situation Scream and run like a headless chicken... :laugh: Seriously, the first thing is to get a bunch of reference material that can be found here: Free ebooks from Microsoft; second, get a lot of help resources that can be found mainly here in the Code Project and Stack Overflow; third, use Google, it may help you to get out of a problem very quickly (if you have a doubt probably it has been asked before). :) CEO at: - Rafaga Systems - Para Facturas - Modern Components for the moment...