DevExpress.XtraGrid.Views.Grid.ViewInfo.GridHitInfo hInfo = gridView1.CalcHitInfo(new Point(e.X, e.Y));
            if (e.Button == MouseButtons.Left && e.Clicks == 2)
            {
                //判断光标是否在行范围内 
                if (hInfo.InRow)
                {
                    MessageBox.Show(hInfo.RowHandle.ToString());
                }
            }