asp.net get App_Data 目录几种方法 path

方法一

//ASP.NET MVC1 -> MVC3

string path = HttpContext.Current.Server.MapPath("~/App_Data/somedata.xml");
//ASP.NET MVC4

string path = HttpContext.Server.MapPath("~/App_Data/somedata.xml");

方法二

HostingEnvironment.MapPath(@"~/App_Data/PriceModels.xml");

方法三

path = AppDomain.CurrentDomain.BaseDirectory + ("\\App_Data");