long_wjian的专栏

<br />1.赵玉开（SQL学习）<br />http://www.cnblogs.com/yukaizhao/<br /> 2.数据库学习<br />http://database.51cto.com/art/201009/223946.htm<br /> 3.查看本机外网IP地址及身份证号查询<br /> http://www.ip138.com/  <br />222.44.93.5<br /> <br />4.C#导出EXCEL

private void downLoad(string filenamed) { string path = Server.MapPath("attPath/") + filenamed; FileInfo fi = new FileInfo(path); if (fi.Exists) { Response.Clear(); Response.AddHeader("Cont