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XPathNavigator.ValueAsLong Property

Gets the current node's value as an Int64.

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

public override long ValueAsLong { get; }

Property Value

Type: System.Int64
The current node's value as an Int64.


The current node's string value cannot be converted to a Int64.


The attempted cast to Int64 is not valid.

If the XPathNavigator has schema or type information (for example, from an XmlDocument object initialized with an XML schema validating XmlReader), and if the current node is defined as an XML Schema xs:integer type, the ValueAsLong property returns the current node's value as an unboxed Int64 object.

However, if the XPathNavigator does not have any schema or type information, the ValueAsLong property attempts to convert the string value of the current node to a Int64 value, according to the XPath 2.0 casting rules for xs:integer.

For an example of the ValueAsLong property, see the ValueAsBoolean property.

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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