DataGridView 导出到Excel代码-优快云博客

方法一（推荐使用这个方法，因为他可以另存为，哪个更快就要使用者测试了，这里只提供方法）：

/// <summary>
/// 收费项目---Excel
/// </summary>
private void BtnExcel_Click(object sender, EventArgs e)
{
    if (DgvFeeInspection.Rows.Count == 0)
    {
        CountdownMsgFrm.ShowMsg("无法进行导出，请确定您已经查询出数据！");
        return;
    }
    FunFee.ExportExcel("收费项目" + DateTime.Now.ToString("yyyy-MM-dd") + "", DgvFeeInspection);
}

/// <summary>
        /// 导出到Excel方法
        /// </summary>
        /// <param name="fileName"></param>
        /// <param name="myDGV"></param>
public void ExportExcel(string fileName, DataGridView myDGV)
{
            string saveFileName = "";
            SaveFileDialog saveDialog = new SaveFileDialog();
            saveDialog.DefaultExt = "xls";
            saveDialog.Filter = "Excel文件|*.xls";
            saveDialog.FileName = fileName;
            saveDialog.ShowDialog();
            saveFileName = saveDialog.FileName;
            if (saveFileName.IndexOf(":") < 0) return; //被点了取消
            Microsoft.Office.Interop.Excel.Application xlApp = new Microsoft.Office.Interop.Excel.Application();
            if (xlApp == null)
            {
                MessageBox.Show("无法创建Excel对象，可能您的机子未安装Excel");
                return;
            }

            Microsoft.Office.Interop.Excel.Workbooks workbooks = xlApp.Workbooks;
            Microsoft.Office.Interop.Excel.Workbook workbook = workbooks.Add(Microsoft.Office.Interop.Excel.XlWBATemplate.xlWBATWorksheet);
            Microsoft.Office.Interop.Excel.Worksheet worksheet = (Microsoft.Office.Interop.Excel.Worksheet)workbook.Worksheets[1];//取得sheet1
            //写入标题
            for (int i = 0; i < myDGV.ColumnCount; i++)
            {
                worksheet.Cells[1, i + 1] = myDGV.Columns[i].HeaderText;
            }
            //写入数值
            for (int r = 0; r < myDGV.Rows.Count; r++)
            {
                for (int i = 0; i < myDGV.ColumnCount; i++)
                {
                    worksheet.Cells[r + 2, i + 1] = myDGV.Rows[r].Cells[i].Value;
                }
                System.Windows.Forms.Application.DoEvents();
            }
            worksheet.Columns.EntireColumn.AutoFit();//列宽自适应
            //if (Microsoft.Office.Interop.cmbxType.Text != "Notification")
            //{
            //    Excel.Range rg = worksheet.get_Range(worksheet.Cells[2, 2], worksheet.Cells[ds.Tables[0].Rows.Count + 1, 2]);
            //    rg.NumberFormat = "00000000";
            //}

            if (saveFileName != "")
            {
                try
                {
                    workbook.Saved = true;
                    workbook.SaveCopyAs(saveFileName);
                    //fileSaved = true;
                }
                catch (Exception ex)
                {
                    //fileSaved = false;
                    MessageBox.Show("导出文件时出错,文件可能正被打开！\n" + ex.Message);
                }

            }
            xlApp.Quit();
            GC.Collect();//强行销毁
            //if (fileSaved && System.IO.File.Exists(saveFileName)) System.Diagnostics.Process.Start(saveFileName); //打开EXCEL
            CountdownMsgFrm.ShowMsg(fileName + "生成成功!");

}

方法二：

DataGridView控件的数据导出到Excel代码,

        /// <summary>
        /// 将DataGridView控件中数据导出到Excel
        /// </summary>
        /// <param name="gridView">DataGridView对象</param>
        /// <param name="isShowExcle">是否显示Excel界面</param>
        /// <returns></returns>
        public bool ExportDataGridview(DataGridView gridView, bool isShowExcle)
        {
            if (gridView.Rows.Count == 0)
                return false;
            //建立Excel对象
            Excel.Application excel = new Excel.Application();
            excel.Application.Workbooks.Add(true);
            excel.Visible = isShowExcle;
            //生成字段名称
            for (int i = 0; i < gridView.ColumnCount; i++)
            {
                excel.Cells[1, i + 1] = gridView.Columns[i].HeaderText;
            }
            //填充数据
            for (int i = 0; i < gridView.RowCount - 1; i++)         //循环行
            {

                for (int j = 0; j < gridView.ColumnCount; j++)      //循环列
                {
                    if (gridView[j, i].ValueType == typeof(string)) //判断DataGirdView中数据的类型
                    {
                        excel.Cells[i + 2, j + 1] = "'" + gridView[j, i].Value.ToString();
                    }
                    else
                    {
                        excel.Cells[i + 2, j + 1] = gridView[j, i].Value.ToString();
                    }
                }
            }
            return true;
        }
        private void button1_Click(object sender, EventArgs e)
        {
            this.ExportDataGridview(dataGridView1, true);
        }
引用DLL