private void MenuFileSaveXls_Click(object sender, EventArgs e)//保存表格 { saveFileDialog1.Filter = "(xls文件)|*.xls"; if (saveFileDialog1.ShowDialog() == DialogResult.OK) { FileHelper.Savexls(saveFileDialog1.FileName, Obs.ToDataTable()); // MessageBox.Show("保存表格成功", "信息提示"); } }