Good morning, I need to add an editable column in a gridField because I don't want to lose functionality. Is it possible to do this?
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No. a!gridField() is read-only by name and design, though luckily we can provide a bit of interactivity with row elements via links. If you're trying to directly edit data, there are several fundamental ways in which it will not be a good fit, where instead you would either need to consider creating an Editable Grid (a!gridLayout()) or, sometimes, just add an "edit this row" link in its own column in the existing grid which allows the user to provide edits in a dedicated section (etc) that pops up below the grid when that link is clicked.