C # Gets the collection of methods for the root directory

1. Get the root directory method of the console application
Method 1, Environment.currentdirectory Gets or sets the fully qualified path of the current working directory
Method 2, AppDomain.CurrentDomain.BaseDirectory gets the base directory, which is used by the Assembly resolver to probe assemblies
2. Get the root directory method of the Web application
Method 1, HttpRuntime.AppDomainAppPath.ToString ();//Gets the physical drive path of the application directory that hosts the application in the current application domain. Used in App_Data to get
Method 2, Server.MapPath ("") or Server.MapPath ("~/");//returns the physical file path relative to the specified virtual path on the Web server
Method 3, request.applicationpath;//get the virtual application root directory of the ASP.
3. Get the root directory method of the WinForm application
1, Environment.CurrentDirectory.ToString ();//Gets or sets the fully qualified path to the current working directory
2, Application.StartupPath.ToString ();//Gets the path to the executable file that launched the application, not including the name of the executable file
3, Directory.GetCurrentDirectory ();//Gets the current working directory of the application
4. appdomain.currentdomain.basedirectory;//gets the base directory, which is used by the Assembly conflict Resolver to probe assemblies
5. appdomain.currentdomain.setupinformation.applicationbase;//Gets or sets the name of the directory that contains the application
Where: The following two methods can get the name of the execution file
1, Process.getcurrentprocess (). mainmodule.filename;//gets the file name of the EXE that is currently executing.
2. application.executablepath;//gets the path to the executable file that launched the application, including the name of the executable file

Ways to get the root directory of. Net
Method 1:system.web.httpcontext.current.request.physicalapplicationpath
Method 2:system.web.httpcontext.current.server.mappath ("./")

Total Note: The path obtained by Server.MapPath is the physical path on the server, that is, the absolute path that is always said
1, Server.MapPath ("/")
Note: Obtain the location of the application root directory, such as C:\Inetpub\wwwroot\.
2, Server.MapPath ("./")
Note: Get the current directory on the page, equivalent to Server.MapPath ("").
3, Server.MapPath (".. /")
Note: Get the parent directory for your page.
4, Server.MapPath ("~/")
Note: Get the current application-level program directory, if it is the root directory, is the root directory, if it is a virtual directory, is the location of the virtual directory, such as C:\Inetpub\wwwroot\Example\.

C # Gets the collection of methods for the root directory