Returns the prefix defined in the current namespace scope for the specified namespace URI.
Parameters
- namespaceUri
- A string specifying the namespace URI.
Returns
A string containing the corresponding prefix, or string.Empty if the prefix is not found and ns is the default namespace, or null if no matching namespace URI is found in the current scope.
Exceptions
Type Reason ArgumentException ns is null or string.Empty.
Remarks
Note:This method overrides XmlWriter.LookupPrefix(string).
Requirements
Namespace: System.Xml
Assembly: System.Xml (in System.Xml.dll)
Assembly Versions: 1.0.5000.0, 2.0.0.0