MSXML 6.0 vs. System.Xml 区别 比较

MSXML 6.0 vs. System.Xml 区别 比较

Feature	MSXML 6	system.xml
Using XML attributes without explicit schema declaration	not supported	supported
element of type xs:ID	supported*	not supported
Conflicting values of facets minInclusive, maxInclusive in base and derived types	not allowed*	allowed
maxOccurs=0 with no minOccurs	error*	no error
Multiple redefines of the same schema document	error	warning (only first redefine is processed)
parsing of targetNamespace attribute as anyURI	supported*	not supported
Regex support for Unicode Character blocks	Unicode 3.1	Unicode 4.0.1
Regex patterns involving combinating a negative group with another using ‘|’	not supported	supported*
XSD Errata for Regex E2-52	not supported	supported*
Regex character class subtraction	not supported	supported*
Matching newlines/linebreaks from a xsd:pattern facet	not supported	supported*
minOccurs/maxOccurs value limits	upto 2^32	CLR decimal
limit of totalDigits facet values	upto 2^32	CLR decimal
datatypes used to store length, minLength, maxLength facet values	upto 2^32	CLR decimal
a prohibited attribute in a complex type	no error, attribute stripped*	warning, attribute stripped*
unreferenced groups in the schema	always compiled	compiled on reference
default element values availability	not supported	supported*
expose post schema validation infoset	not supported	supported*
ENTITY in DTD resolvable by attribute/elements of type xs:ENTITY	DOM=Yes, SAX=no	Yes
adding a default qualified attribute to an element in a document that has attribute’s namespace as default	DOM: apply qualified default attribute with namespace value as the prefix. SAX=does not generate prefix for default qualified attributes	error
identity constraints (key/unique) evaluation for skip/lax blocks	node is null	not able to find node
element with mixed content, and a fixed schema value, containing child elements	instance accepted	instance not accepted*
whitespace facet on anySimpleType	preserve*	collapsed
XSD Errata on xs:base64Binary parsing	supported*	not supported
xs:dateTime: number of year digits supported	10	4
xs:dateTIme: number of fraction digits supported in seconds	9	7
xs:dateTime: Range of hours in time zone	“-14:00 to +14:00” *	99:00 to -99:00
xs:dateTime: negative years	supported*	not supported
“z” (as opposed to “Z”) in xs:dateTime to represent UTC time	not allowed*	allowed
xs:time: range of hour value	00:00:00 to 24:00:00*	00:00:00 to 23:59:59
xs:gMonth: XSD Errata revised the lexical representation of gMonth	only –MM is allowed*	both –MM and –MM– are allowed
maximum digits allowed for the xs:decimal data type	128	29
xs:duration: duration with second part specified, but has no digits	error	no error, infer a 0 for the second part