At-A-Glance: XmlReader vs. XPathNavigator vs. XmlDocument

April 9, '03 Comments [0] Posted in Web Services | XML

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This is a great at-a-glance view of the XML options that .NET makes available to Developers. [From Aaron Skonnard's article by way of Don Box]

CHOICES	PROS	CONS
XmlTextReader	-Fastest -Most efficient (memory) -Extensible	-Forward-only -Read-only -Requires manual validation
XmlValidatingReader	-Automatic validation -Run-time type info -Relatively fast & efficient (compared to DOM)	-2 to 3x slower than XmlTextReader -Forward-only -Read-only
XmlDocument (DOM)	-Full traversal -Read/write -XPath expressions	-2 to 3x slower than XmlTextReader/XmlValidatingReader -More overhead than XmlTextReader/XmlValidatingReader
XPathNavigator	-Full traversal -XPath expressions -XSLT integration -Extensible	-Read-only -Not as familiar as DOM
XPathDocument	-Faster than XmlDocument -Optimized for XPath/XSLT	-Slower than XmlTextReader

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Scott Hanselman is a former professor, former Chief Architect in finance, now speaker, consultant, father, diabetic, and Microsoft employee. I am a failed stand-up comic, a cornrower, and a book author.

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