下面的例子是点击右键时,取出当前datagridview的实际行数值(并非ID列的值),如何取出ID列的值,求高手指点。(注:表名Products)  private void dataGridView1_CellMouseDown(object sender, DataGridViewCellMouseEventArgs e)
        {
            if (e.Button == MouseButtons.Right)
            {
                if (e.RowIndex >= 0)
                {
                    dataGridView1.ClearSelection();
                    dataGridView1.Rows[e.RowIndex].Selected = true;
                    dataGridView1.CurrentCell = dataGridView1.Rows[e.RowIndex].Cells[e.ColumnIndex];
                    rightIndex = dataGridView1.CurrentCell.RowIndex;
                }
            }
        }
希望高手帮忙,最好说详细点或给出代码