DataGridView添加行号以及自定义边框颜色

1 
//自定义边框颜色 注册到Paint事件
private void dataGridView1_Paint(object sender, PaintEventArgs e)
2         {
3             System.Drawing.Color a = System.Drawing.Color.FromArgb(101, 147, 207); // red, green, blue
4             Pen pen = new Pen(a);
5             e.Graphics.DrawRectangle(pen, new Rectangle(0, 0, this.dataGridView1.Width - 1, this.dataGridView1.Height - 1));
6         }

 

 1 
//添加行号，注册到RowPostPaint事件
private void dataGridView1_RowPostPaint(object sender, DataGridViewRowPostPaintEventArgs e)
 2         {
 3              5                 System.Drawing.Rectangle rectangle = new System.Drawing.Rectangle(e.RowBounds.Location.X,
 6                 e.RowBounds.Location.Y,
 7                 dataGridView1.RowHeadersWidth - 4,
 8                 e.RowBounds.Height);
 9 
10                 TextRenderer.DrawText(e.Graphics, (e.RowIndex + 1).ToString(),
11                 dataGridView1.RowHeadersDefaultCellStyle.Font,
12                 rectangle,
13                 dataGridView1.RowHeadersDefaultCellStyle.ForeColor,
14                 TextFormatFlags.VerticalCenter | TextFormatFlags.Right);
1
 　　　　　　}