XmlNamespaceManager.HasNamespace(String) Method
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Gets a value indicating whether the supplied prefix has a namespace defined for the current pushed scope.
public:
virtual bool HasNamespace(System::String ^ prefix);public virtual bool HasNamespace(string prefix);abstract member HasNamespace : string -> bool
override this.HasNamespace : string -> boolPublic Overridable Function HasNamespace (prefix As String) As Boolean- prefix
- String
The prefix of the namespace you want to find.
true if there is a namespace defined; otherwise, false.
The following example displays the default namespace, if one exists.
if ( nsmgr->HasNamespace( String::Empty ) )
{
Console::WriteLine( nsmgr->DefaultNamespace );
}
if (nsmgr.HasNamespace(String.Empty))
Console.WriteLine(nsmgr.DefaultNamespace);
If nsmgr.HasNamespace(String.Empty) Then
Console.WriteLine(nsmgr.DefaultNamespace)
End If
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.
Note
xmlns:x= "" is illegal according to the W3C Namespaces recommendation.
| Product | Versions |
|---|---|
| .NET | Core 1.0, Core 1.1, Core 2.0, Core 2.1, Core 2.2, Core 3.0, Core 3.1, 5, 6, 7, 8, 9, 10 |
| .NET Framework | 1.1, 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1 |
| .NET Standard | 1.0, 1.1, 1.2, 1.3, 1.4, 1.6, 2.0, 2.1 |
| UWP | 10.0 |
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