GANTT Filter with Grouoping problem


If i had group the gantt with the group function and then i filter the gantt with onBeforeTaskDisplay
the all group Disappear


Hello Gianfilippo,
Unfortunately, I couldn’t reproduce the issue:

Probably, the issue is related to Gantt configuration, but it is hard to suggest what might be wrong as I don’t see your code.

Please, reproduce the issue in the snippet, then click on the “Share” button and send me the link:
Or send me an HTML file with all the necessary Javascript and CSS files.