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Page.MapPath Method

Retrieves the physical path that a virtual path, either absolute or relative, or an application-relative path maps to.

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

public string MapPath(
	string virtualPath
)

Parameters

virtualPath
Type: System.String
A String that represents the virtual path.

Return Value

Type: System.String
The physical path associated with the virtual path or application-relative path.

Caution noteCaution

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

The following example uses the MapPath method to obtain the physical path of a subfolder. It then appends the file name that is read from the Text property of a TextBox control. The result is the absolute physical path to that file.


String fileNameString = this.MapPath(subFolder.Text);
fileNameString += "\\" + fileNameTextBox.Text;


.NET Framework

Supported in: 4, 3.5, 3.0, 2.0, 1.1, 1.0

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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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