DataGridView添加行号

 1 //选中DataGridView的RowPostPaint生成方法
 2 
 3 
 4 
 5  private void dgvStudentList_RowPostPaint(object sender, DataGridViewRowPostPaintEventArgs e)
 6         {
 7           DataGridViewStyle.DgvRowPostPaint(this.dgvStudentList,e)
 8         }
 9 
10 
11 
12 
13 /// <summary>
14         /// 给DataGridView添加行号
15         /// </summary>
16         /// <param name="dgv"></param>
17         /// <param name="e"></param>
18         public static void DgvRowPostPaint(DataGridView dgv, DataGridViewRowPostPaintEventArgs e)
19         {
20             try
21             {
22                 //添加行号 
23                 SolidBrush v_SolidBrush = new SolidBrush(dgv.RowHeadersDefaultCellStyle.ForeColor);
24                 int v_LineNo = 0;
25                 v_LineNo = e.RowIndex + 1;
26                 string v_Line = v_LineNo.ToString();
27                 e.Graphics.DrawString(v_Line, e.InheritedRowStyle.Font, v_SolidBrush, e.RowBounds.Location.X + 15, e.RowBounds.Location.Y + 5);
28             }
29             catch (Exception ex)
30             {
31                 MessageBox.Show("添加行号时发生错误，错误信息：" + ex.Message, "操作失败");
32             }
33         }