I still need help. I managed to build the grid as desired: During the process of adding a new record, when I select a customer in the first dropdown only the jobs of this customer are shown in the second dropbox. When the input is finished the grid seems ok.
But when I update the browser all job entries disappear. The data in the database is not touched since I use IDs. But nevertheless this is not as expected. I guess I didn’t really understand the correct application of the event triggers. Sorry
Can you have a look into this?
Here is my code (with focus on line 87-115):
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