Well, it is not possible to share the code on demo because it is very large and connect to the database(very complicated)
Simply put, I have a button like the one shown in the image. When I click Refresh, I want to restore the original data—so if a row or column was deleted, it returns to its original state.
You should use the method I sent you in my previous message, it allows you to reload the data. As for the column removal, I also answered in your other topic.