C# ListView导出Excel文件
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.lvreport, sfd.FileName); } } #region Kill Special Excel Process [DllImport("user32.dll", SetLastError = true)] static extern int GetWindowThreadProcessId(IntPtr hWnd, out int lpdwProcessId); 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.Application(); if (xlApp == null) { MessageBox.Show("无法创建excel对象，可能您的系统没有安装excel"); return; } xlApp.DefaultFilePath = ""; xlApp.DisplayAlerts = true; xlApp.SheetsInNewWorkbook = 1; Microsoft.Office.Interop.Excel.Workbook xlBook = xlApp.Workbooks.Add(true); //将ListView的列名导入Excel表第一行 foreach (ColumnHeader dc in listView.Columns) { columnIndex++; xlApp.Cells[rowIndex, columnIndex] = dc.Text; } //将ListView中的数据导入Excel中 for (int i = 0; i < rowNum; i++) { rowIndex++; columnIndex = 0; for (int j = 0; j < columnNum; j++) { columnIndex++; //注意这个在导出的时候加了“\t” 的目的就是避免导出的数据显示为科学计数法。可以放在每行的首尾。 xlApp.Cells[rowIndex, columnIndex] = Convert.ToString(listView.Items[i].SubItems[j].Text) + "\t"; } } //例外需要说明的是用strFileName,Excel.XlFileFormat.xlExcel9795保存方式时 当你的Excel版本不是95、97 而是2003、2007 时导出的时候会报一个错误：异常来自 HRESULT:0x800A03EC。 解决办法就是换成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("导出报表成功！"); try { if (xlApp != null) { int lpdwPeocessId; GetWindowThreadProcessId(new IntPtr(xlApp.Hwnd), out lpdwPeocessId); System.Diagnostics.Process.GetProcessById(lpdwPeocessId).Kill(); } } catch (System.Exception ex) { Console.WriteLine("Delete Excel Process Error:" + ex.Message); } } } #endregion