How can I use Server.MapPath() from global.asax?

引用：

?

1	using System.Web.Hosting;

 

?

1 2 3 4 5 6 7 8 9

string filePathcsv = ""; string file = ""; string strFile = "LukfookGeovindu"; strFile = strFile + DateTime.Now.ToString("yyyyMMddhhmmss"); strFile = strFile + ".csv"; //file = strFile;  teresaliu@lukfook.com.hk //file = HttpContext.Current.Server.MapPath("/ReportExcel/" + strFile); //此用法存在問題 // Server.MapPath("/ReportExcel/" + strFile);//存在問題 file = HostingEnvironment.MapPath("/ReportExcel/" + strFile);