Mapping XML Data Types to CLR Types

The following table describes the default mapping between the XML data types and the common language runtime (CLR) types.

Note

The xs and the xdt prefixes are mapped to the https://www.w3.org/2001/XMLSchema and the https://www.w3.org/2003/05/xpath-datatypes namespace URIs respectively.

XML Type	CLR Type
`xs:anyURI`	Uri
`xs:base64Binary`	`Byte[]`
`xs:boolean`	Boolean
`xs:byte`	SByte
`xs:date`	DateTime
`xs:dateTime`	DateTime
`xs:decimal`	Decimal
`xs:double`	Double
`xs:duration`	TimeSpan
`xs:ENTITIES`	`String[]`
`xs:ENTITY`	String
`xs:float`	Single
`xs:gDay`	DateTime
`xs:gMonthDay`	DateTime
`xs:gYear`	DateTime
`xs:gYearMonth`	DateTime
`xs:hexBinary`	`Byte[]`
`xs:ID`	String
`xs:IDREF`	String
`xs:IDREFS`	`String[]`
`xs:int`	Int32
`xs:integer`	Decimal
`xs:language`	String
`xs:long`	Int64
`xs:gMonth`	DateTime
`xs:Name`	String
`xs:NCName`	String
`xs:negativeInteger`	Decimal
`xs:NMTOKEN`	String
`xs:NMTOKENS`	`String[]`
`xs:nonNegativeInteger`	Decimal
`xs:nonPositiveInteger`	Decimal
`xs:normalizedString`	String
`xs:NOTATION`	XmlQualifiedName
`xs:positiveInteger`	Decimal
`xs:QName`	XmlQualifiedName
`xs:short`	Int16
`xs:string`	String
`xs:time`	DateTime
`xs:token`	String
`xs:unsignedByte`	Byte
`xs:unsignedInt`	UInt32
`xs:unsignedLong`	UInt64
`xs:unsignedShort`	UInt16
`xdt:dayTimeDuration`	TimeSpan
`xdt:yearMonthDuration`	TimeSpan
`xdt:untypedAtomic`	String
`xdt:anyAtomicType`	Object
`xs:anySimpleType`	String
Document node	XPathNavigator
Element node	XPathNavigator
Attribute node	XPathNavigator
Namespace node	XPathNavigator
Text node	XPathNavigator
Comment node	XPathNavigator
Processing instruction node	XPathNavigator

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