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Dynamically set required on UI Element

ChristianM0147Jul 27 2021

Is there a way to dynamically set the required attribute on a UI component based on another UI Component? I have a <af:inputDate> and a <af:selectBooleanCheckbox> Component and one of those two Components have to have a value. And only one of them may have a value.
The use case is that the user has to enter a date or explicitly say that he doesnt know the date via <af:selectBooleanCheckbox>.
I tried to achieve this using the Expression Builder #{empty bean.bindingDate.value} but it does not work properly.
Any help is appreciated!

This post has been answered by Timo Hahn on Jul 27 2021
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Added on Jul 27 2021