winform datagridview 自动选中某一行

if (!string.IsNullOrEmpty(sFocusedPointID))
            {
                for (int i = 0; i < gvPoint.RowCount; i++)
                {
                    if (gvPoint.Rows[i].Cells["colID"].Value.ToString().Trim() == sFocusedPointID)
                    {
                        gvPoint.Rows[i].Selected = true;
                        gvPoint.FirstDisplayedScrollingRowIndex = i;
                        break;
                    }
                }
            }