void dgvUserDetails_RowPrePaint(object sender, DataGridViewRowPrePaintEventArgs e)
        {
            e.PaintCells(e.ClipBounds, DataGridViewPaintParts.All);

            e.PaintHeader(DataGridViewPaintParts.Background
                | DataGridViewPaintParts.Border
                | DataGridViewPaintParts.Focus
                | DataGridViewPaintParts.SelectionBackground
                | DataGridViewPaintParts.ContentForeground);
            using (SolidBrush b = new SolidBrush(dataGridView1.RowHeadersDefaultCellStyle.ForeColor))
            {
                e.Graphics.DrawString((e.RowIndex + 1).ToString(), e.InheritedRowStyle.Font, b, e.RowBounds.Location.X + 10, e.RowBounds.Location.Y + 4);
            }
            e.Handled = true;
        }
        private void UiExifDatGridView_RowPrePaint(object sender, DataGridViewRowPrePaintEventArgs e)
        {
            e.PaintCells(e.ClipBounds, DataGridViewPaintParts.All);

            e.PaintHeader(DataGridViewPaintParts.Background
                | DataGridViewPaintParts.Border
                | DataGridViewPaintParts.Focus
                | DataGridViewPaintParts.SelectionBackground
                | DataGridViewPaintParts.ContentForeground);

            e.Handled = true;
        }