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XmlUrlResolver Class

Resolves external XML resources named by a Uniform Resource Identifier (URI).

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

public class XmlUrlResolver : XmlResolver
public class XmlUrlResolver extends XmlResolver
public class XmlUrlResolver extends XmlResolver
Not applicable.

XmlUrlResolver is used to resolve external XML resources such as entities, document type definitions (DTDs) or schemas. It is also used to process include and import elements found in Extensible StyleSheet Language (XSL) style sheets or XML Schema definition language (XSD) schemas.

XmlUrlResolver is the default resolver for all classes in the System.Xml namespace. It supports the file:// and http:// protocols and requests from the WebRequest class.

Security noteSecurity Note:

XmlUrlResolver objects can contain sensitive information such as user credentials. You should be careful when caching XmlUrlResolver objects and should not pass the XmlUrlResolver object to an untrusted component.

The following example creates an XmlReader that uses an XmlUrlResolver with default credentials.


// Create an XmlUrlResolver with default credentials.
XmlUrlResolver resolver = new XmlUrlResolver();
resolver.Credentials = CredentialCache.DefaultCredentials;

// Create the reader.
XmlReaderSettings settings = new XmlReaderSettings();
settings.XmlResolver = resolver;
XmlReader reader = XmlReader.Create("http://serverName/data/books.xml");
   

System.Object
   System.Xml.XmlResolver
    System.Xml.XmlUrlResolver

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

Windows 98, Windows Server 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 2.0, 1.0

XNA Framework

Supported in: 1.0

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