在DataGridView控件中的 RowPostPaint事件中：（VB.net源码）
Private Sub dgvRealDataCar_RowPostPaint(ByVal sender As System.Object,ByVal e As System.Windows.Forms.DataGridViewRowPostPaintEventArgs) Handles dgvRealDataCar.RowPostPaint
Dim brush As System.Drawing.Brush = New SolidBrush(dgvRealDataCar.RowHeadersDefaultCellStyle.ForeColor)
e.Graphics.DrawString((e.RowIndex + 1).ToString(),dgvRealDataCar.DefaultCellStyle.Font,Brush,e.RowBounds.Location.X + 12,e.RowBounds.Y + 5)
End Sub
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