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

Posted 2003-04-09 08:19 AM in Web Services | XML.

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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