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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

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 you cache XmlUrlResolver objects and should not pass XmlUrlResolver objects 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 =




.NET Framework

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

.NET Compact Framework

Supported in: 3.5, 2.0, 1.0

XNA Framework

Supported in: 3.0, 2.0, 1.0

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