Do you disable/enable the button on server side (i.e. invoking
setEnabled)? You should use page's onConfigure to place your
configuration code (for example the code to disable the button).
How can I detect when a page is about to be re-displayed?
In my app, some pages have "OK" buttons that are enabled once the user has
entered certain data. When the user then clicks OK, he taken to another
page where some actions are performed. When he then RETURNS from the
action page to the data entry page, he has the opportunity to enter
different data and perform the action again.
My problem is this: Once the user returns to the data entry page, the OK
button is still enabled, even though he hasn't entered any new data yet.
How can I detect that the page is being displayed a second time so I can
disable the OK button before the page is displayed?
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