摘要：
//Csharp:WebClient and WebRequest use http download file //20140318 塗聚文收錄 string filePath = "20140302.pdf"; string fileName = "http://www.dusystem.com/3.pdf"; //1出现找不到文件 filePath //string headerValue = (Request.UserAgent.ToLower().Contains("msie... 阅读全文