using System;
 using System.Collections.Generic;
 using System.ComponentModel;
 using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
namespace UserDataGridView
{    
public partial class UserDataGridView : DataGridView   
 {        private Image m_Image;        
public UserDataGridView()      
  {            InitializeComponent();            /
/this.m_Image = Image.FromFile("C:\\BG.jpg");       
 }    
<summary>重写PaintBackground</summary> 
protected override void PaintBackground(Graphics graphics, Rectangle clipBounds, Rectangle gridBounds)        {            base.PaintBackground(graphics, clipBounds, gridBounds);            graphics.DrawImage(this.m_Image, gridBounds);        }        /// <summary>设置背景图片</summary>        public Image BackImage        {            get            {                return this.m_Image;            }            set            {                this.m_Image = value;                base.Refresh();  // 重新加载            }        }    }}