XmlReader.HasValue Property (System.Xml)

HasValue Property

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This page is specific to

Microsoft Visual Studio 2008/.NET Framework 3.5

Other versions are also available for the following:

.NET Framework Class Library

XmlReader..::.HasValue Property

Updated: November 2007

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

Visual Basic (Declaration)

Public MustOverride ReadOnly Property HasValue As Boolean

Visual Basic (Usage)

Dim instance As XmlReader
Dim value As Boolean

value = instance.HasValue

public abstract bool HasValue { get; }

Visual C++

public:
virtual property bool HasValue {
    bool get () abstract;
}

/** @property */
public abstract boolean get_HasValue()

JScript

public abstract function get HasValue () : boolean

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.

Examples

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

Platforms

Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, 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

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.

Version Information