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.

System_CAPS_noteNote

The xs and the xdt prefixes are mapped to the http://www.w3.org/2001/XMLSchema and the http://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:gMmonth

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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