Hello guys I have a guess,<BR><BR>In my site I register users and I store his data in a database.<BR>In the database I have an autonumeric field wich store the identifier of the user and I also store his name,...<BR>I don&#039;t know the difference between the lock of using transaction and using application.lock, could you help me, please?<BR>Know I&#039;m using only a transaction but I don&#039;t know if it is ok...<BR><BR>Million thanks.<BR>Kind Regards,<BR><BR>