获取value(ValueMember):datagridview1.Rows[i].Cells[1].Value;
获取text(DisplayMember):datagridview1.Rows[i].Cells[1].FormattedValue.ToString();
获取value(ValueMember):datagridview1.Rows[i].Cells[1].Value;
获取text(DisplayMember):datagridview1.Rows[i].Cells[1].FormattedValue.ToString();