//DataGridView所有单元格发生绘制的后的事件
private void dataGridView1_RowPostPaint(object sender, DataGridViewRowPostPaintEventArgs e)
{
DataGridViewStyle.DgvRowPostPaint2(this.dataGridView1, e);
}

using System;
using System.Collections.Generic;
using System.Text;
using System.Windows.Forms;
using System.Drawing;
 
namespace _009_TPS.MyClass.Class
{
    /// <summary>
    /// 设置DataGridView的样式
    /// </summary>
    public class DataGridViewStyle
    {
        /// <summary>
        /// 普通的样式
        /// </summary>       
        public static void DgvStyle1(DataGridView dgv)
        {
            //奇数行的背景色
            dgv.AlternatingRowsDefaultCellStyle.BackColor = System.Drawing.Color.FromArgb(((int)(((byte)(128)))), ((int)(((byte)(255)))), ((int)(((byte)(255)))));
            dgv.AlternatingRowsDefaultCellStyle.SelectionForeColor = System.Drawing.Color.Blue;
            dgv.AlternatingRowsDefaultCellStyle.SelectionBackColor = System.Drawing.Color.FromArgb(((int)(((byte)(255)))), ((int)(((byte)(128)))), ((int)(((byte)(255)))));
            //dgv.ColumnHeadersDefaultCellStyle.Font = new System.Drawing.Font("宋体", 10.5F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((byte)(134)));
            //默认的行样式
            dgv.RowsDefaultCellStyle.BackColor = System.Drawing.Color.FromArgb(((int)(((byte)(255)))), ((int)(((byte)(255)))), ((int)(((byte)(192)))));
            dgv.RowsDefaultCellStyle.SelectionBackColor = System.Drawing.Color.FromArgb(((int)(((byte)(255)))), ((int)(((byte)(128)))), ((int)(((byte)(255)))));
            dgv.RowsDefaultCellStyle.SelectionForeColor = System.Drawing.Color.Blue;
            //数据网格颜色
            dgv.GridColor = System.Drawing.Color.FromArgb(((int)(((byte)(0)))), ((int)(((byte)(0)))), ((int)(((byte)(192)))));
            //列标题的宽度
            dgv.ColumnHeadersHeight = 28;
        }
        /// <summary>
        /// 凹凸样式
        /// </summary>
        /// 需要手动设置this.RowTemplate.DividerHeight = 2;   
        public static void DgvStyle2(DataGridView dgv)
        {
            dgv.CellBorderStyle = System.Windows.Forms.DataGridViewCellBorderStyle.Sunken;
            //列标题的边框样式
            dgv.ColumnHeadersBorderStyle = System.Windows.Forms.DataGridViewHeaderBorderStyle.Sunken;
            dgv.ColumnHeadersDefaultCellStyle.Font = new System.Drawing.Font("微软雅黑", 10.5F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((byte)(134)));
            dgv.ColumnHeadersDefaultCellStyle.BackColor = System.Drawing.Color.FromArgb(((int)(((byte)(128)))), ((int)(((byte)(255)))), ((int)(((byte)(255)))));
            dgv.ColumnHeadersHeight = 28;
            //行的边框样式
            dgv.RowHeadersBorderStyle = System.Windows.Forms.DataGridViewHeaderBorderStyle.Sunken;
            dgv.DefaultCellStyle.Font = new System.Drawing.Font("微软雅黑", 10.5F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(134)));
            dgv.RowTemplate.DividerHeight = 1;
            //禁止当前默认的视觉样式
            dgv.EnableHeadersVisualStyles = false;
        }


        /// <summary>
        /// 参数设置
        /// </summary>       
        public static void DgvStyle3(DataGridView dgv)
        {
            //奇数行的背景色
            dgv.AlternatingRowsDefaultCellStyle.BackColor = System.Drawing.Color.FromArgb(((int)(((byte)(26)))), ((int)(((byte)(29)))), ((int)(((byte)(48)))));
            dgv.AlternatingRowsDefaultCellStyle.SelectionBackColor = System.Drawing.Color.FromArgb(((int)(((byte)(115)))), ((int)(((byte)(168)))), ((int)(((byte)(223)))));

            //默认的行样式
            dgv.RowsDefaultCellStyle.BackColor = System.Drawing.Color.FromArgb(((int)(((byte)(42)))), ((int)(((byte)(42)))), ((int)(((byte)(71)))));
            dgv.RowsDefaultCellStyle.SelectionBackColor = System.Drawing.Color.FromArgb(((int)(((byte)(115)))), ((int)(((byte)(168)))), ((int)(((byte)(223)))));
            //dgv.RowsDefaultCellStyle.SelectionForeColor = System.Drawing.Color.Blue;
            //数据网格颜色
            dgv.GridColor = System.Drawing.Color.FromArgb(((int)(((byte)(214)))), ((int)(((byte)(214)))), ((int)(((byte)(214)))));
            //列标题的宽度
            dgv.ColumnHeadersHeight = 28;

        }
        /// <summary>
        /// 数据报表
        /// </summary>       
        public static void DgvStyle4(DataGridView dgv)
        {
            //奇数行的背景色
            dgv.AlternatingRowsDefaultCellStyle.BackColor = System.Drawing.Color.FromArgb(((int)(((byte)(26)))), ((int)(((byte)(29)))), ((int)(((byte)(48)))));
            dgv.AlternatingRowsDefaultCellStyle.SelectionBackColor = System.Drawing.Color.FromArgb(((int)(((byte)(26)))), ((int)(((byte)(29)))), ((int)(((byte)(48)))));

            //默认的行样式
            dgv.RowsDefaultCellStyle.BackColor = System.Drawing.Color.FromArgb(((int)(((byte)(42)))), ((int)(((byte)(42)))), ((int)(((byte)(71)))));
            dgv.RowsDefaultCellStyle.SelectionBackColor = System.Drawing.Color.FromArgb(((int)(((byte)(42)))), ((int)(((byte)(42)))), ((int)(((byte)(71)))));
            //dgv.RowsDefaultCellStyle.SelectionForeColor = System.Drawing.Color.Blue;
            //数据网格颜色
            //dgv.GridColor = System.Drawing.Color.FromArgb(((int)(((byte)(214)))), ((int)(((byte)(214)))), ((int)(((byte)(214)))));

        }
        /// <summary>
        /// 故障报警
        /// </summary>
        /// <param name="dgv"></param>
        public static void DgvStyle5(DataGridView dgv)
        {
            //奇数行的背景色
            dgv.AlternatingRowsDefaultCellStyle.BackColor = System.Drawing.Color.FromArgb(((int)(((byte)(68)))), ((int)(((byte)(88)))), ((int)(((byte)(124)))));
            dgv.AlternatingRowsDefaultCellStyle.SelectionBackColor = System.Drawing.Color.FromArgb(((int)(((byte)(68)))), ((int)(((byte)(88)))), ((int)(((byte)(124)))));

            //默认的行样式
            dgv.RowsDefaultCellStyle.BackColor = System.Drawing.Color.FromArgb(((int)(((byte)(44)))), ((int)(((byte)(61)))), ((int)(((byte)(90)))));
            dgv.RowsDefaultCellStyle.SelectionBackColor = System.Drawing.Color.FromArgb(((int)(((byte)(44)))), ((int)(((byte)(61)))), ((int)(((byte)(90)))));
            //dgv.RowsDefaultCellStyle.SelectionForeColor = System.Drawing.Color.Blue;
            //数据网格颜色
            dgv.GridColor = System.Drawing.Color.FromArgb(((int)(((byte)(214)))), ((int)(((byte)(214)))), ((int)(((byte)(214)))));
            //列标题的宽度
            dgv.ColumnHeadersHeight = 28;
        }
        /// <summary>
        /// 报警记录
        /// </summary>       
        public static void DgvStyle6(DataGridView dgv)
        {
            //奇数行的背景色
            dgv.AlternatingRowsDefaultCellStyle.BackColor = System.Drawing.Color.FromArgb(((int)(((byte)(26)))), ((int)(((byte)(29)))), ((int)(((byte)(48)))));
            dgv.AlternatingRowsDefaultCellStyle.SelectionBackColor = System.Drawing.Color.FromArgb(((int)(((byte)(26)))), ((int)(((byte)(29)))), ((int)(((byte)(48)))));

            //默认的行样式
            dgv.RowsDefaultCellStyle.BackColor = System.Drawing.Color.FromArgb(((int)(((byte)(42)))), ((int)(((byte)(42)))), ((int)(((byte)(71)))));
            dgv.RowsDefaultCellStyle.SelectionBackColor = System.Drawing.Color.FromArgb(((int)(((byte)(42)))), ((int)(((byte)(42)))), ((int)(((byte)(71)))));
            //dgv.RowsDefaultCellStyle.SelectionForeColor = System.Drawing.Color.Blue;
            //数据网格颜色
            //dgv.GridColor = System.Drawing.Color.FromArgb(((int)(((byte)(214)))), ((int)(((byte)(214)))), ((int)(((byte)(214)))));

        }
        /// <summary>
        /// 实时报警
        /// </summary>
        /// <param name="dgv"></param>
        public static void DgvStyle7(DataGridView dgv)
        {
            //奇数行的背景色
            dgv.AlternatingRowsDefaultCellStyle.BackColor = System.Drawing.Color.FromArgb(((int)(((byte)(68)))), ((int)(((byte)(88)))), ((int)(((byte)(124)))));
            dgv.AlternatingRowsDefaultCellStyle.SelectionBackColor = System.Drawing.Color.FromArgb(((int)(((byte)(68)))), ((int)(((byte)(88)))), ((int)(((byte)(124)))));

            //默认的行样式
            dgv.RowsDefaultCellStyle.BackColor = System.Drawing.Color.FromArgb(((int)(((byte)(44)))), ((int)(((byte)(61)))), ((int)(((byte)(90)))));
            dgv.RowsDefaultCellStyle.SelectionBackColor = System.Drawing.Color.FromArgb(((int)(((byte)(44)))), ((int)(((byte)(61)))), ((int)(((byte)(90)))));
            //dgv.RowsDefaultCellStyle.SelectionForeColor = System.Drawing.Color.Blue;
            //数据网格颜色
            dgv.GridColor = System.Drawing.Color.FromArgb(((int)(((byte)(214)))), ((int)(((byte)(214)))), ((int)(((byte)(214)))));
            //列标题的宽度
            dgv.ColumnHeadersHeight = 28;
        }
        /// <summary>
        /// 给DataGridView添加行号
        /// </summary>
        /// <param name="dgv"></param>
        /// <param name="e"></param>
        public static void DgvRowPostPaint(DataGridView dgv, DataGridViewRowPostPaintEventArgs e)
        {
            try
            {
                //添加行号
                SolidBrush v_SolidBrush = new SolidBrush(dgv.RowHeadersDefaultCellStyle.ForeColor);
                int v_LineNo = 0;
                v_LineNo = e.RowIndex + 1;
                string v_Line = v_LineNo.ToString();
                e.Graphics.DrawString(v_Line, e.InheritedRowStyle.Font, v_SolidBrush, e.RowBounds.Location.X + 15, e.RowBounds.Location.Y + 5);
            }
            catch (Exception ex)
            {
                MessageBox.Show("添加行号时发生错误，错误信息：" + ex.Message, "操作失败");
            }
        }
        /// <summary>
        /// 给DataGridView添加行号2
        /// </summary>
        /// <param name="dgv"></param>
        /// <param name="e"></param>
        public static void DgvRowPostPaint2(DataGridView dgv, DataGridViewRowPostPaintEventArgs e)
        {
            try
            {
                //添加行号
                SolidBrush v_SolidBrush = new SolidBrush(dgv.RowHeadersDefaultCellStyle.ForeColor);
                int v_LineNo = 0;
                v_LineNo = e.RowIndex + 1;
                string v_Line = v_LineNo.ToString();
                e.Graphics.DrawString(v_Line, e.InheritedRowStyle.Font, v_SolidBrush, e.RowBounds.Location.X, e.RowBounds.Location.Y);//参数3和4是行号文本在单元格的位置
            }
            catch (Exception ex)
            {
                MessageBox.Show("添加行号时发生错误，错误信息：" + ex.Message, "操作失败");
            }
        }
    }
}