Devexpress表格GridControl主从表点击从表获得当前选中行

// 商品详情
private void RepositoryItemButtonEdit2_ButtonClick(object sender, DevExpress.XtraEditors.Controls.ButtonPressedEventArgs e)
{
    DevExpress.XtraGrid.Views.Grid.GridView currentView = (DevExpress.XtraGrid.Views.Grid.GridView)gcSummary.FocusedView;
    if (currentView.FocusedRowHandle >= 0)
    {
        if (e.Button.Index == 0)
        {
            string url = (currentView.GetFocusedRow() as Ali1688_OrderProducts).ProductUrl;
            frmWebAlibaba.ShowMe("商品详情", url, null);
        }
    }
}