C# WPF Dev TableView 导出Excel 

/// <summary>/// 导出文件【Excel】/// </summary>/// <param name="sender"></param>/// <param name="e"></param>private void btnExportFile_Click(object sender, RoutedEventArgs e){ if (this.dgWorkOrderManage == null || this.dgWorkOrderManage.ItemsSource == null){DXMessageBox.Show("没有数据要导出！", "提示", MessageBoxButton.OK, MessageBoxImage.Warning);return;}SaveFileDialog saveFileDialog = new SaveFileDialog();saveFileDialog.Title = "导出Excel";saveFileDialog.Filter = "Excel文件(*.xls)|*.xls";bool? Result = saveFileDialog.ShowDialog();if (Result == true){             TV_grid.ExportToXls(saveFileDialog.FileName);DXMessageBox.Show("导出完成！", "提示", MessageBoxButton.OK, MessageBoxImage.Information);}}