Поделиться через


XmlReader.HasValue Property

Microsoft Silverlight will reach end of support after October 2021. Learn more.

When overridden in a derived class, gets a value indicating whether the current node can have a Value.

Namespace:  System.Xml
Assembly:  System.Xml (in System.Xml.dll)

Syntax

'Declaration
Public Overridable ReadOnly Property HasValue As Boolean
public virtual bool HasValue { get; }

Property Value

Type: System.Boolean
true if the node on which the reader is currently positioned can have a Value; otherwise, false. If false, the node has a value of String.Empty.

Remarks

The following table lists node types that have a value to return.

Node Type

Value

Attribute

The value of the attribute.

CDATA

The content of the CDATA section.

Comment

The content of the comment.

DocumentType

The internal subset.

ProcessingInstruction

The entire content, excluding the target.

SignificantWhitespace

The white space between markup in a mixed content model.

Text

The content of the text node.

Whitespace

The white space between markup.

XmlDeclaration

The content of the declaration.

Version Information

Silverlight

Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0

XNA Framework

Supported in: Xbox 360, Windows Phone OS 7.0

Platforms

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.