XmlSchemaKey Class

Reference

Definition

Namespace:: System.Xml.Schema

Assembly:: System.Xml.ReaderWriter.dll

Assembly:: System.Xml.dll

Assembly:: netstandard.dll

Important

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This class represents the key element from XMLSchema as specified by the World Wide Web Consortium (W3C).

public ref class XmlSchemaKey : System::Xml::Schema::XmlSchemaIdentityConstraint

public class XmlSchemaKey : System.Xml.Schema.XmlSchemaIdentityConstraint

type XmlSchemaKey = class
    inherit XmlSchemaIdentityConstraint

Public Class XmlSchemaKey
Inherits XmlSchemaIdentityConstraint

Inheritance: Object

XmlSchemaObject

XmlSchemaAnnotated

XmlSchemaIdentityConstraint
XmlSchemaKey

Examples

See XmlSchemaKeyref for an example using this class.

Remarks

Specifies that an attribute or element value (or set of values) must be a key within the specified scope. A key must be unique, non-nillable/non-nullable, and always present. The constraint name must be unique within a schema.

Constructors

XmlSchemaKey()

Initializes a new instance of the XmlSchemaKey class.

Properties

Annotation	Gets or sets the `annotation` property. (Inherited from XmlSchemaAnnotated)
Fields	Gets the collection of fields that apply as children for the XML Path Language (XPath) expression selector. (Inherited from XmlSchemaIdentityConstraint)
Id	Gets or sets the string id. (Inherited from XmlSchemaAnnotated)
LineNumber	Gets or sets the line number in the file to which the `schema` element refers. (Inherited from XmlSchemaObject)
LinePosition	Gets or sets the line position in the file to which the `schema` element refers. (Inherited from XmlSchemaObject)
Name	Gets or sets the name of the identity constraint. (Inherited from XmlSchemaIdentityConstraint)
Namespaces	Gets or sets the XmlSerializerNamespaces to use with this schema object. (Inherited from XmlSchemaObject)
Parent	Gets or sets the parent of this XmlSchemaObject. (Inherited from XmlSchemaObject)
QualifiedName	Gets the qualified name of the identity constraint, which holds the post-compilation value of the `QualifiedName` property. (Inherited from XmlSchemaIdentityConstraint)
Selector	Gets or sets the XPath expression `selector` element. (Inherited from XmlSchemaIdentityConstraint)
SourceUri	Gets or sets the source location for the file that loaded the schema. (Inherited from XmlSchemaObject)
UnhandledAttributes	Gets or sets the qualified attributes that do not belong to the current schema's target namespace. (Inherited from XmlSchemaAnnotated)

Methods

Equals(Object)	Determines whether the specified object is equal to the current object. (Inherited from Object)
GetHashCode()	Serves as the default hash function. (Inherited from Object)
GetType()	Gets the Type of the current instance. (Inherited from Object)
MemberwiseClone()	Creates a shallow copy of the current Object. (Inherited from Object)
ToString()	Returns a string that represents the current object. (Inherited from Object)

Applies to

共用方式為