XmlReader.HasValue Property

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)

public abstract 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.

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.

See HasValue (in the XmlTextReader class) for a sample using this method.

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98, Windows CE, Windows Mobile for Smartphone, Windows Mobile for Pocket PC, Xbox 360, Zune

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5, 3.0, 2.0, 1.1, 1.0

.NET Compact Framework

Supported in: 3.5, 2.0, 1.0

XNA Framework

Supported in: 3.0, 2.0, 1.0
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