private void button1_Click(object sender, EventArgs e) { ExcelRead read = new ExcelRead(); var result = read.ToDataTable(@"E:\Aaronguo\test\ExcelReadWrite\ExcelRead\bin\2014淘宝双11购物清单.xls", "2014淘宝双11购物清单.xls"); foreach (var item in result) { richTextBox1.AppendText(string.Format("{0},{1},{2}\n", item.proName, item.examine, item.result)); } }