Calling value from model through pair of integers representing row and column

by Martin Fitzpatrick Last updated PyQt5 FAQ
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David_Hansson | 2020-06-07 08:12:07 UTC | #1

Hi, if I want to call the value (as a string say) from the model (through a buttonclick from a pushbutton in the mainwidget), not through clicking in a cell in the QTableView but giving the information through a pair of integers. lets say row 0, column 0. Given the structure in the tutorial "Displaying tabular data in Qt5 ModelViews" https://www.pythonguis.com/courses/model-views/qtableview-modelviews-numpy-pandas/

I try value = self.model.data(0, 0, QModelIndex(), Qt.DisplayRole).toString()

But it doesnt work. (it crashes the app.)

scaracciolo | 2020-06-30 12:26:15 UTC | #2

Hi David!

You could try,

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Index = self.model.index(0, 0) value = self.model.data(index, Qt.DisplayRole)

David_Hansson | 2020-06-09 05:58:57 UTC | #3

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This worked. Thank you.

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Martin Fitzpatrick

Calling value from model through pair of integers representing row and column was written by Martin Fitzpatrick .

Martin Fitzpatrick has been developing Python/Qt apps for 8 years. Building desktop applications to make data-analysis tools more user-friendly, Python was the obvious choice. Starting with Tk, later moving to wxWidgets and finally adopting PyQt. Martin founded PythonGUIs to provide easy to follow GUI programming tutorials to the Python community. He has written a number of popular Python books on the subject.

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