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QCombobox: Different column for showing and holding data

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Hello there, this is probably a basic problem, but i couldn’t google it anywhere:( I have a QDataWidgetMapper connected to a QComboBox. QComboBox’s model has 2 columns: [0] -> Column which has the primary keys. [1] -> Column which has the the data to show. The model which QDataWidgetMapper uses has only the Primary key value. Is it possible to pass column [0] values to QComboBox and it sets the associated column [1] data to show in its dropdown. My english is not the best hope its understandable. Thx in advance.

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