>Hi,
>
>FabioL has often cited a way of calling or evaluating a dynamic tooltip. I would like to show some validation reasons via the tooltip on a disabled commandbutton so that the users know why the command button is disabled.
>
>Thanks,

In the method where you do validation you can set the tooltip of the button. Of course this is easy when you do the validation in one method not in VALID event of all controls, If you do validation in VALID event of all controls you can use BINDEVENT().