WPF-DataGrid- Press Enter key, go to next line

  private void dataGrid1_PreviewKeyDown(object sender, KeyEventArgs e)
        {
            if (e.Key == Key.Enter)
            {
                DataGridRow rowContainer = (DataGridRow)dataGrid1.ItemContainerGenerator.ContainerFromItem(dataGrid1.CurrentItem);
                if (rowContainer != null)
                {
                    DataGridCellsPresenter presenter = GetVisualChild(rowContainer);
                    int columnIndex = dataGrid1.Columns.IndexOf(dataGrid1.CurrentColumn);
                    DataGridCell cell = (DataGridCell)presenter.ItemContainerGenerator.ContainerFromIndex(columnIndex);
                    TraversalRequest request = new TraversalRequest(FocusNavigationDirection.Next);
                    request.Wrapped = true;
                    cell.MoveFocus(request);
                    rowContainer = (DataGridRow)dataGrid1.ItemContainerGenerator.ContainerFromItem(dataGrid1.CurrentItem);
                    dataGrid1.SelectedItem = dataGrid1.CurrentItem;
                    e.Handled = true;
                    dataGrid1.UpdateLayout();
                }
            }
        }

        public static T GetVisualChild(Visual parent) where T : Visual
        {
            T child = default(T);
            int numVisuals = VisualTreeHelper.GetChildrenCount(parent);
            for (int i = 0; i < numVisuals; i++)
            {
                Visual v = (Visual)VisualTreeHelper.GetChild(parent, i);
                child = v as T;
                if (child == null)
                {
                    child = GetVisualChild(v);
                }
                if (child != null)
                {
                    break;
                }
            }
            return child;
        }

Thanks

Pravin