"Delete" button doesn't work

Hi! I have to create an app that’s just a simple database. The app is working, but I’m having problems with the “excluir” (delete) button that’s supposed to delete a row. It’s just not working. I can’t even click it (I attached a video showing it, all the buttons work, but the “Excluir” one doesn’t).

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Hello and welcome!

First, make sure that the button can be clicked. Without seeing the blocks in the listar and visualizar procedures, I think it’s not a good idea to put 2 procedures together, because listar can end before visualizar. When the listar procedure starts, visualizar does not wait for the listar procedure to finish.

It may be the cause of the failure.

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