excel导出datdagridview 含图片列（必须有图片绝对路代码,CSharp代码库,德仔网

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【CSharp】 excel导出datdagridview 含图片列（必须有图片绝对路
作者:Dezai.CN / 发布于2013/1/4/ 739
页面的执行代码 
       /// <summary>
        /// 绑定数据
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void button9_Click(object sender, EventArgs e)
        {
            DataTable dt = new DataTable();
            dt.Columns.Add("图片名称",typeof(string));
            dt.Columns.Add("图片",typeof(Image));
            dt.Columns.Add("ImagePath", typeof(string));
            DataRow dr = dt.NewRow();
            dr["图片名称"] = "1";
            dr["图片"] = Image.FromFile("c://a4.png");
            //图片路径
            dr["ImagePath"] = "c://a4.png";
            dt.Rows.Add(dr);
            DataRow dr1 = dt.NewRow();
            dr1["图片名称"] = "2";
            dr1["图片"] = Image.FromFile("c://a3.png");
            dr1["ImagePath"] = "c://a3.png";
            dt.Rows.Add(dr1);
            dataGridView1.DataSource = dt;
            dataGridView1.Columns[2].Visible = false;
        }
        /// <summary>
        /// excel导出
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void button10_Click(object sender, EventArgs e)
        {
            Int32 iExcelType = -1;
            iExcelType = FuncCommon.ExistsRegedit();
            if (!FuncCommon.CodeboolisExcelInstalled() && iExcelType <= 0)
            {
                MessageBox.Show("没有安装excel");
                return;
            }
            SaveFileDialog sfdFile = new SaveFileDialog();
            //wy add 2012.2.15
            //默认文件后缀   
            if (iExcelType == 1)
            {
                sfdFile.DefaultExt = ".xls";
                //文件后缀列表   
                sfdFile.Filter = "Excel文件(*.xls)|*.xls";
            }
            else if (iExcelType == 2)
            {
                sfdFile.DefaultExt = ".xlsx";
                //文件后缀列表   
                sfdFile.Filter = "Excel文件(*.xlsx)|*.xlsx";
            }
            if (iExcelType == -1)
            {
                return;
            }
            ///end
            if (sfdFile.ShowDialog() != DialogResult.OK)
            {
                return;
            }
            string strSaveFile = sfdFile.FileName.ToString();
            File.Delete(strSaveFile);
            if (File.Exists(strSaveFile))
            {
                //m_dialog.ShowmyDialog(ConstInfo.STR_SAVEFAIL, "", false);
                return;
            }
            string _strCaption = "";
            _strCaption = "测试导出图片列";
            Int32 iRet = FuncCommon.ExportExcel(_strCaption, dataGridView1, strSaveFile);
            if (iRet == 0)
            {
                MessageBox.Show("成功导出");
            }
            else
            {
                MessageBox.Show("失败导出");
            }
        }
        excel导出类：
       
using System;
using System.Collections.Generic;
using System.Text;
using System.Reflection;
using System.Windows.Forms;
using System.IO;
using Microsoft.Win32;
using System.Drawing;
namespace ExerciseForm2
{
    public class FuncCommon
    {
        #region 判断是否安装excel
        /// <summary>
        /// 判断是否安装excel
        /// </summary>
        /// <returns></returns>
        public static bool CodeboolisExcelInstalled()
        {
            Type type = null;
            type = Type.GetTypeFromProgID("Microsoft.Office.Interop.Excel.Application");
            return type != null;
        }
        #endregion
        #region Self_Variable:查询注册表某个键值是否存在
        /// <summary> 
        /// Self_Variable:查询注册表某个键值是否存在 
        /// </summary> 
        /// <returns></returns> 
        public static Int32 ExistsRegedit()
        {
            Int32 iExcelType = -1;
            RegistryKey rk = Registry.LocalMachine;
            RegistryKey akey = rk.OpenSubKey(@"SOFTWARE\\Microsoft\\Office\\11.0\\Word\\InstallRoot\\");
            RegistryKey akeytwo = rk.OpenSubKey(@"SOFTWARE\\Microsoft\\Office\\12.0\\Word\\InstallRoot\\");
            //检查本机是否安装Office2003
            if (akey != null)
            {
                string file03 = akey.GetValue("Path").ToString();
                if (File.Exists(file03 + "Excel.exe"))
                {
                    iExcelType = 1;
                }
            }
            //检查本机是否安装Office2007
            if (akeytwo != null)
            {
                string file07 = akeytwo.GetValue("Path").ToString();
                if (File.Exists(file07 + "Excel.exe"))
                {
                    iExcelType = 2;
                }
            }
            return iExcelType;
        }
        #endregion
        #region 将记录导出到Exel文档
        /// <summary>
        /// DataGridView导出Excel
        /// </summary>
        /// <param name="strCaption">Excel文件中的标题</param>
        /// <param name="myDGV">DataGridView 控件</param>
        /// <returns>0:成功;1ataGridView中无记录;2:Excel无法启动;9999:异常错 误</returns>
        public static int ExportExcel(string strCaption, DataGridView myDGV, string strSaveFile)
        {
            int result = 9999;
            // 列索引，行索引，总列数，总行数
            int ColIndex = 0;
            int RowIndex = 0;
            int ColCount = 0;
            int RowCount = myDGV.RowCount;
            if (myDGV.RowCount == 0)
            {
                result = 1;
            }
            // 创建Excel对象
            Microsoft.Office.Interop.Excel.Application xlApp = new Microsoft.Office.Interop.Excel.ApplicationClass();
            if (xlApp == null)
            {
                result = 2;
            }
            try
            {
                foreach (DataGridViewColumn col in myDGV.Columns)
                {
                    if (col.Visible)
                    {
                        ColCount += 1;
                    }
                }
                // 创建Excel工作薄
                Microsoft.Office.Interop.Excel.Workbook xlBook = xlApp.Workbooks.Add(true);
                Microsoft.Office.Interop.Excel.Worksheet xlSheet = (Microsoft.Office.Interop.Excel.Worksheet)xlBook.Worksheets[1];
                // 设置标题
                Microsoft.Office.Interop.Excel.Range range = xlSheet.get_Range(xlApp.Cells[1, 1], xlApp.Cells[1, ColCount]); //标题所占的单元格数与DataGridView中的列数相同
                range.MergeCells = true;
                xlApp.ActiveCell.FormulaR1C1 = strCaption;
                xlApp.ActiveCell.Font.Size = 20;
                xlApp.ActiveCell.Font.Bold = true;
                xlApp.ActiveCell.HorizontalAlignment = Microsoft.Office.Interop.Excel.Constants.xlCenter;
                // 创建缓存数据
                object[,] objData = new object[RowCount + 1, ColCount];
                //获取列标题
                foreach (DataGridViewColumn col in myDGV.Columns)
                {
                    //wy 2012.2.9
                    if (col.Visible)
                    {
                        objData[RowIndex, ColIndex++] = col.HeaderText;
                    }
                }
                // 获取数据
                RowIndex = 1;
                foreach (DataGridViewRow row in myDGV.Rows)
                {
                    Int32 iIndex = 0;
                    foreach (DataGridViewColumn col in myDGV.Columns)
                    {
                        if (col.Visible)
                        {
                            if (row.Cells[col.Index].ValueType == typeof(string)
                                || row.Cells[col.Index].ValueType == typeof(DateTime))//这里就是验证DataGridView单元格中的类型,如果是string或是DataTime类型,则在放入缓 存时在该内容前加入" ";
                            {
                                objData[RowIndex, iIndex++] = "" + row.Cells[col.Index].Value.ToString();
                            }
                            else if (col.ValueType == typeof(Image))
                            {
                                //的“+2”是比实际数据行多了标题与列名行 合起来多了两行
                                range = xlSheet.get_Range(xlApp.Cells[RowIndex+2, col.Index+1], xlApp.Cells[RowIndex+2, col.Index+1]);
                                range.Select();
                                float PicLeft, PicTop;
                                PicLeft = Convert.ToSingle(range.Left);
                                PicTop = Convert.ToSingle(range.Top);
                                Image img =(Image) row.Cells[col.Index].Value;
                                DataGridViewColumn col1 = myDGV.Columns["ImagePath"];
                                xlSheet.Shapes.AddPicture(row.Cells[col1.Index].Value.ToString(), Microsoft.Office.Core.MsoTriState.msoTriStateToggle, Microsoft.Office.Core.MsoTriState.msoTriStateToggle, PicLeft, PicTop, 10, 10);
                            }
                            else
                            {
                                objData[RowIndex, iIndex++] = row.Cells[col.Index].Value.ToString();
                            }
                        }
                    }
                    RowIndex++;
                    System.Windows.Forms.Application.DoEvents();
                }
                // 写入Excel 注：xlApp.Cells[RowCount + 2, ColCount] 的“+2”是比实际数据行多了标题与列名行 合起来多了两行
                range = xlSheet.get_Range(xlApp.Cells[2, 1], xlApp.Cells[RowCount + 2, ColCount]);//RowCount + 2
                range.Value2 = objData;
                range = xlSheet.get_Range(xlApp.Cells[1, 1], xlApp.Cells[RowCount + 2, ColCount]);
                range.Borders.LineStyle = 1;
                range.Columns.AutoFit();
                foreach (DataGridViewColumn col in myDGV.Columns)
                {
                    if (col.Visible)
                    {
                        if (col.ValueType == typeof(int) ||
                            col.ValueType == typeof(Int16) ||
                            col.ValueType == typeof(Int32) ||
                            col.ValueType == typeof(Int64))
                        {
                            range = xlSheet.get_Range(xlApp.Cells[2, col.Index], xlApp.Cells[RowCount + 2, col.Index]);//RowCount + 2
                            range.NumberFormatLocal = "#";
                        }
                    }
                }
                //保存
                xlBook.Saved = true;
                //xlBook.SaveCopyAs(strSaveFile);
                xlBook.SaveAs(strSaveFile, Missing.Value, Missing.Value, Missing.Value, Missing.Value,
                        Missing.Value, Microsoft.Office.Interop.Excel.XlSaveAsAccessMode.xlNoChange, Missing.Value, Missing.Value, Missing.Value,
                        Missing.Value, Missing.Value);
                //返回值
                result = 0;
            }
            catch (Exception err)
            {
                result = 9999;
            }
            finally
            {
                xlApp.Quit();
                GC.Collect(); //强制回收
            }
            return result;
        }
        #endregion
    }
}
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　导出datdagridview　
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