update in WPF DataGrid

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I can't get the new value of the current cell of a DataGrid

C#

private void dgBTLigne_CellEditEnding(object sender, DataGridCellEditEndingEventArgs e)
        {
            MessageBox.Show((dgBTLigne.SelectedItem as BTLigneDTO).Sujet);
        }

I always get the old value.

Posted 25-Mar-11 2:36am

MNIF Akram

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Comments

Keith Barrow 26-Mar-11 5:28am

You almost never need to get data from the the GUI in WPF. Binding is *much* easier. I suggest you google for "WPF databinding" and "WPF MVVM". The first, and most important thing to learn about WPF is is isn't winforms. The second if that it is *much* better than winforms.

Arun India 26-Mar-11 7:01am

Me too agreed on that. Try to bind the DataGrid with an item source. The item source can be List, ObservableCollection etc. Also add the "INotifyPropertyChanged" to your class. So that you can also handle the changes in the datagrid.

Regards
Arun

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BillW33 · Answer 1 · 2011-04-05T09:14:00

Solution 1

Data binding is the way to go.

There is a WPF data binding cheat sheet at http://www.nbdtech.com/Free/WpfBinding.pdf[^]

You sould also read these CodeProject articles:

WPF Data Binding - Part 1[^]

A Guided Tour of WPF – Part 3 (Data binding)[^]

Posted 5-Apr-11 9:14am

BillW33

Updated 5-Apr-11 9:18am

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update in WPF DataGrid

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