Resolves the absolute URI from the base and relative URIs.
A Uri containing the absolute URI, or null if relativeUri can not be resolved.
Type Reason ArgumentException relativeUri is null.
If relativeURI is null, it is set to string.Empty.
Note:The absolute URI can be used as the base URI for any subsequent requests for entities that are relative to this URI.
This method overrides XmlResolver.ResolveUri(Uri, string).
Namespace: System.Xml
Assembly: System.Xml (in System.Xml.dll)
Assembly Versions: 2.0.0.0
Since: .NET 2.0