.NET - C# - DataGridView 显示行号
private void dgv_show_RowPostPaint(object sender, DataGridViewRowPostPaintEventArgs e)
{
Rectangle rectangle = new Rectangle(e.RowBounds.Location.X,e.RowBounds.Location.Y,dgv_show.RowHeadersWidth - 4,e.RowBounds.Height);
TextRenderer.DrawText(e.Graphics,(e.RowIndex + 1).ToString(),dgv_show.RowHeadersDefaultCellStyle.Font,rectangle,dgv_show.RowHeadersDefaultCellStyle.ForeColor,TextFormatFlags.VerticalCenter | TextFormatFlags.Right);
}
