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HttpRequest.MapPath Method (String, String, Boolean)

Maps the specified virtual path to a physical path.

Namespace:  System.Web
Assembly:  System.Web (in System.Web.dll)

'Declaration
Public Function MapPath ( _
	virtualPath As String, _
	baseVirtualDir As String, _
	allowCrossAppMapping As Boolean _
) As String

Parameters

virtualPath
Type: System.String

The virtual path (absolute or relative) for the current request.

baseVirtualDir
Type: System.String

The virtual base directory path used for relative resolution.

allowCrossAppMapping
Type: System.Boolean

true to indicate that virtualPath may belong to another application; otherwise, false.

Return Value

Type: System.String
The physical path on the server.

ExceptionCondition
HttpException

allowCrossMapping is false and virtualPath belongs to another application.

HttpException

No HttpContext object is defined for the request.

Caution noteCaution

The MapPath property potentially contains sensitive information about the hosting environment. The return value should not be displayed to users.

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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