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XNamespace.Xml Property

Gets the XNamespace object that corresponds to the XML URI (

Namespace:  System.Xml.Linq
Assembly:  System.Xml.Linq (in System.Xml.Linq.dll)

public static XNamespace Xml { get; }

Property Value

Type: System.Xml.Linq.XNamespace
The XNamespace that corresponds to the XML URI (

Certain standardized attributes, such as space, are in the namespace. The W3C standard specifies that this namespace does not have to be declared as an attribute in the XML tree. It is a reserved namespace that is always automatically available in the XML parser.

The following example shows how to create an xml:space="preserve" attribute in an XML tree:

XElement root = new XElement("Root",
    new XAttribute(XNamespace.Xml + "space", "preserve"),
    new XElement("Child", "content")

This example produces the following output:

<Root xml:space="preserve">

.NET Framework

Supported in: 4, 3.5

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, 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.