SelectionMode="Extended" + EditTriggers="CellClick" => More than edited row is selected

[Arthur]

Hi,

if I set SelectionMode to "Extended" and EditTriggers to "CellEdit" and afterwards I select two rows and start to edit a cell in one of the two selected rows, the selection is not reduced to the edited row. Bug?

[Boris]

Hello Arthur,

By design selecting multiple items and then starting to edit one of them does not clear the other selected items. However, if you need such a functionality, you can easily implement it by using the BeginningEdit event as follows:

public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();

            this.clubsGrid.BeginningEdit += clubsGrid_BeginningEdit;
        }

        void clubsGrid_BeginningEdit(object sender, GridViewBeginningEditRoutedEventArgs e)
        {
            var gridView = sender as RadGridView;
            var businessObject = e.Cell.DataContext as Club;
            var itemsToUnselect = gridView.SelectedItems.Where(item => !item.Equals(businessObject)).ToList();
            var selectedItemsCount = itemsToUnselect.Count;

            for (int index = 0; index < selectedItemsCount; index++)
            {
                if (gridView.SelectedItems[index].Equals(businessObject))
                {
                    gridView.SelectedItems.Remove(gridView.SelectedItems[index]);
                }
            }
        }
    }

I attached a sample project that demonstrates the suggested approach.

I hope this helps.


Regards,
Boris
Telerik