Datagridview navigation problem in C#

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I have a WPF application. I face a situation to add a windows form which contains a datagridview. I want to move focus to next cell in datagridview on pressing the enter key. In a windows application it is working using the ProcessDialogKey. But it is not working in WPF application

Posted 16-Jul-13 20:39pm

saritagovind

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Rain Dancer · Answer 1 · 2013-07-16T22:04:00

I am not sure whether you are asking for the code for WPF or Windows forms now, this is for WPF the code can be edited slightly for a Windows form if you wish.

C#

private void dg_PreviewKeyDown(object sender, KeyEventArgs e)
{
    try
    {
        if (e.Key == Key.Enter)
        {
            e.Handled = true;
            var cell = GetCell(dgIssuance, dgIssuance.Items.Count - 1, 2);
            if (cell != null)
            {
                cell.IsSelected = true;
                cell.Focus();
                dg.BeginEdit();
            }
        }
    }
    catch (Exception ex)
    {
        MessageBox(ex.Message, "Error", MessageType.Error);
    }
}  

public static DataGridCell GetCell(DataGrid dg, int row, int column)
{
    var rowContainer = GetRow(dg, row);

    if (rowContainer != null)
    {
        var presenter = GetVisualChild<datagridcellspresenter>(rowContainer);
        if (presenter != null)
        {
            // try to get the cell but it may possibly be virtualized
            var cell = (DataGridCell)presenter.ItemContainerGenerator.ContainerFromIndex(column);
            if (cell == null)
            {
                // now try to bring into view and retreive the cell
                dg.ScrollIntoView(rowContainer, dg.Columns[column]);
                cell = (DataGridCell)presenter.ItemContainerGenerator.ContainerFromIndex(column);
            }
            return cell;
        }
    }
    return null;
}</datagridcellspresenter>