需引用

 public void ExportToExecl()

        {

            System.Windows.Forms.SaveFileDialog sfd = new SaveFileDialog();

            sfd.DefaultExt = "xls";

            sfd.Filter = "Excel文件(*.xls)|*.xls";

            if (sfd.ShowDialog() == DialogResult.OK)

            {

                DoExport(
 
this.listView1, sfd.FileName);

            }

        }

        /// <summary>

        /// 具體導出的方法

        /// </summary>

        /// <param name="listView">ListView</param>

        /// <param name="strFileName">導出到的文件名</param>

        private void DoExport(ListView listView, string
 
 strFileName)

        {

            int rowNum = listView.Items.Count;

            int columnNum = listView.Items[0].SubItems.Count;

            int rowIndex = 1;

            int columnIndex = 0;

            if (rowNum == 0 || string.IsNullOrEmpty(strFileName))

            {

                return
 
;

            }

            if (rowNum > 0)

            {

                Microsoft.Office.Interop.Excel.Application xlApp = new Microsoft.Office.Interop.Excel.ApplicationClass();

                if (xlApp == null)

                {

                    MessageBox.Show("無法創建excel對象，可能您的系統沒有安裝excel");

                    return;

                }

                xlApp.DefaultFilePath = "";

                xlApp.DisplayAlerts = true;

                xlApp.SheetsInNewWorkbook = 1;

                Microsoft.Office.Interop.Excel.Workbook xlBook = xlApp.Workbooks.Add(true);

                //將ListView的列名導入Excel表第一行

                foreach (ColumnHeader dc in listView.Columns)

                {

                    columnIndex++;

                    xlApp.Cells[rowIndex, columnIndex] = dc.Text;

                }

                //將ListView中的數據導入Excel中

                for (int i = 0; i < rowNum; i++)

                {

                    rowIndex++;

                    columnIndex = 0;

                    for (int j = 0; j < columnNum; j++)

                    {

                        columnIndex++;

                        //註意這個在導出的時候加了“\t” 的目的就是避免導出的數據顯示為科學計數法。可以放在每行的首尾。

                        xlApp.Cells[rowIndex, columnIndex] = Convert.ToString(listView.Items[i].SubItems[j].Text) + "\t";

                    }

                }

                //例外需要說明的是用strFileName,Excel.XlFileFormat.xlExcel9795保存方式時 當你的Excel版本不是95、97 而是2003、2007 時導出的時候會報一個錯誤：異常來自 HRESULT:0x800A03EC。 解決辦法就是換成strFileName, Microsoft.Office.Interop.Excel.XlFileFormat.xlWorkbookNormal。

                xlBook.SaveAs(strFileName, Microsoft.Office.Interop.Excel.XlFileFormat.xlWorkbookNormal, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Microsoft.Office.Interop.Excel.XlSaveAsAccessMode.xlExclusive, Type.Missing, Type.Missing, Type.Missing, Type.Missing, Type.Missing);

                xlApp = null;

                xlBook = null;

                MessageBox.Show("OK");

            }

        }

C#Winfrom Listview數據導入Excel