//Exportprivate void btnExport_Click(object sender, RoutedEventArgs e){string strDataTime = System.DateTime.Now.ToString("yyyyMMdd_HHmmss");string strFileName = "buyf_Template" + strDataTime;SaveFileDialog save = new SaveFileDialog();save.DefaultExt = "xlsx";save.Filter = "Excel File|*.xlsx";save.FileName = strFileName;if (save.ShowDialog() == true){//获得数据源DataClasses1DataContext db = new DataClasses1DataContext();List
     
       pros = new List
      
       ();pros = (from p in db.TBProduct select p).Take(20).ToList();string strReportPath = AppDomain.CurrentDomain.BaseDirectory + @"\Template\Buyf_Template.xlsx";//string strReportPath = System.Windows.Forms.Application.ExecutablePath + @"\Template\Buyf_Template.xlsx";Workbook book = new Workbook(strReportPath);Worksheet sheet = book.Worksheets[0];sheet.Cells[0, 0].PutValue("Item One");sheet.Cells[0, 1].PutValue("Item Two");sheet.Cells[0, 2].PutValue("Item Three");sheet.Cells[0, 3].PutValue("Item Four");for (int i = 0; i < pros.Count; i++){ TBProduct pro = pros[i];sheet.Cells[i + 1, 0].PutValue(pro.No);sheet.Cells[i + 1, 1].PutValue(pro.Name);sheet.Cells[i + 1, 2].PutValue(pro.CarNumber);sheet.Cells[i + 1, 3].PutValue(pro.SRP);}book.Save(save.FileName);MessageBox.Show("Export Successful!");}}