I want to command_button withouth submit in adf with Jdev

I want to run rollback button, before pressed submit button . I put another button on the form for solve this problem . Thus I want start first rollback button and then submit button. this solition not solve my problem.
What can I do?
null

Hi,
if you work with ADF BC, just drop the rollback operation as the only button onto the page. No more submit is required
Frank

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