When overridden in a derived class, gets a value indicating whether the current node can have a Value.
(in System.Xml.dll)
Visual Basic (Declaration)
Public MustOverride ReadOnly Property HasValue As Boolean
Dim instance As XmlReader
Dim value As Boolean
value = instance.HasValue
public abstract bool HasValue { get; }
public:
virtual property bool HasValue {
bool get () abstract;
}
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.
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
Reference
Other Resources