Yes even we were thinking like the way you told.
but we dont want user to upgrade. it should automatically upgrade when a new version is found. and one more problem we foresee is (when we try to install the new version of application windows will ask a question "if you want to upgrade as a older version is available in your p.d.a" we want to suppress this message as when the upgrade happen automatically it will not be good to...

THANKS for your reply..
yes we haeva server. and user need not connect everytime to the server. he can work offline and he can upload the data when he needs. at the time of upload we need to check for update of version because if the version is not updated the data might get loss.
do you have any idea on how to proceed wit this?

HI ALL,
Am new to mobile application developmetn.
we already having a running application. Now i want to make that application in such a way that whenver it is started it should connect to server and check if there is a new version of this application and updates its version to the server version.
Its similar to bootstrappeer.
I dont have any idea of how to do and where to start.
All help will be more helpfull for me....