XPathDocument Constructor (TextReader)

Initializes a new instance of the XPathDocument class from the XML data that is contained in the specified TextReader object.

Namespace: System.Xml.XPath
Assembly: System.Xml (in system.xml.dll)

public XPathDocument (
	TextReader textReader
public XPathDocument (
	TextReader textReader
public function XPathDocument (
	textReader : TextReader



The TextReader object that contains the XML data.

Exception typeCondition


An error was encountered in the XML data. The XPathDocument remains empty.


The TextReader object passed as a parameter is a null reference (Nothing in Visual Basic).

After the TextReader object has been used to load XML data, the cursor of the TextReader object is positioned at the end of the data. The TextReader object must be reset to read through the data again.

Windows 98, Windows 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

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

.NET Framework

Supported in: 2.0, 1.1, 1.0