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XmlNamespaceManager.HasNamespace Method

Gets a value indicating whether the supplied prefix has a namespace defined for the current pushed scope.

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

'Declaration
Public Overridable Function HasNamespace ( _
	prefix As String _
) As Boolean

Parameters

prefix
Type: System.String

The prefix of the namespace you want to find.

Return Value

Type: System.Boolean
true if there is a namespace defined; otherwise, false.

To determine whether there is a default empty namespace defined, set prefix to String.Empty. A return value of true indicates that there is a default namespace defined in the current scope; false indicates that no default namespace is defined.

NoteNote

xmlns:x= "" is illegal according to the W3C Namespaces recommendation.

The following example displays the default namespace, if one exists.

If nsmgr.HasNamespace(String.Empty) Then
    Console.WriteLine(nsmgr.DefaultNamespace)
End If

.NET Framework

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

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Portable Class Library

Supported in: Portable Class Library

.NET for Windows Store apps

Supported in: Windows 8

.NET for Windows Phone apps

Supported in: Windows Phone 8.1, Windows Phone Silverlight 8.1, Windows Phone Silverlight 8

Windows Phone 8.1, Windows Phone 8, 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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