private void DataGrid_CellEditEnding(object sender, DataGridCellEditEndingEventArgs e)
{
if (!m_committing && e.EditAction == DataGridEditAction.Commit)
{
m_committing = true;
DataGridList.CommitEdit(DataGridEditingUnit.Row, true);
m_dataContext.ProcessPropertyChange();
m_committing = false;
}
}