Control.MapPathSecure(String) Método

Definición

Recupera la ruta de acceso física a la que se asigna una ruta de acceso virtual, absoluta o relativa.Retrieves the physical path that a virtual path, either absolute or relative, maps to.

protected public:
 System::String ^ MapPathSecure(System::String ^ virtualPath);
protected internal string MapPathSecure (string virtualPath);
member this.MapPathSecure : string -> string
Protected Friend Function MapPathSecure (virtualPath As String) As String

Parámetros

virtualPath
String

Dirección URL relativa o relativa a la raíz.A relative or root relative URL.

Devoluciones

Ruta de acceso física al archivo solicitado.The physical path to the requested file.

Excepciones

virtualPath es null o una cadena vacía ("").virtualPath is null or an empty string ("").

Ejemplos

En el ejemplo siguiente se usa el método MapPathSecure para obtener la ruta de acceso física de un directorio virtual del objeto contenedor Page o UserControl.The following example uses the MapPathSecure method to obtain the physical path of a virtual directory of the containing Page or UserControl object.

// An HttpException occurs if the server control does not,;
// have permissions to read the resulting mapped file. 
     output.Write("The Actual Path of the virtual directory : "+
     MapPathSecure(TemplateSourceDirectory)+"<br>");

    // Get all the files from the absolute path of 'MyControl';
    // using TemplateSourceDirectory which gives the virtual Directory.
        string [] myFiles=
        Directory.GetFiles(MapPathSecure(TemplateSourceDirectory));
        output.Write("The files in this Directory are <br>");

         // List all the files.
         for (int i=0;i<myFiles.Length;i++)
            output.Write(myFiles[i]+"<br>");
' An HttpException occurs if the server control does not,;
' have permissions to read the resulting mapped file.
output.Write("The Actual Path of the virtual directory : " & _
            MapPathSecure(TemplateSourceDirectory) & "<br>")

' Get all the files from the absolute path of 'MyControl';
' using TemplateSourceDirectory which gives the virtual Directory.
Dim myFiles As String() = Directory.GetFiles(MapPathSecure(TemplateSourceDirectory))
output.Write("The files in this Directory are <br>")

' List all the files.
Dim i As Integer
For i = 0 To myFiles.Length - 1
   output.Write(myFiles(i) & "<br>")
Next i

Comentarios

Este método solo lo pueden usar los controles de servidor que tengan permisos para leer archivos y que formen parte de archivos. dll de plena confianza, como System. Web. dll.This method can only be used by server controls that have permissions to read files and which are part of fully trusted .dll files, such as System.Web.dll. Esto ayuda a evitar infracciones de seguridad.This helps prevent security breaches.

Se aplica a