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Asked: 2026-05-13T11:27:58+00:00

I have a QTableView connected with an QSqlTableModel. In the first column, there are

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I have a QTableView connected with an QSqlTableModel.
In the first column, there are only dates at this format: 2010-01-02
I want this column to show the date at this format (but without changing the real data): 02.01.2010
I know that I have to create an QItemDelegate for this column, but I don’t know how I can read the existing data and overwrite it with something different. You have any idea how to manage that?

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1 Answer

  1. Editorial Team

    An item delegate doesn’t necessarily change the data, it just renders the data. Also, if you’re using Qt 4.4 or newer, look at QStyledItemDelegate instead–it’s theme-aware and will look nicer.

    There’s an example of item delegates in this article (which seems to be a mirror of official documentation that is now down or gone).

    Since all you really want to do is customize the text, have you considered using a proxy model instead and just returning your custom QString for the date column’s DisplayRole?

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