XPathItem.ValueAsDouble Property

When overridden in a derived class, gets the item's value as a Double.

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

public abstract double ValueAsDouble { get; }
/** @property */
public abstract double get_ValueAsDouble ()

public abstract function get ValueAsDouble () : double

Not applicable.

Property Value

The item's value as a Double.

Exception typeCondition


The item's value is not in the correct format for the Double type.


The attempted cast to Double is not valid.


The attempted cast resulted in an overflow.

The ValueAsDouble property attempts to convert the value of the item to the Microsoft .NET Framework version 2.0Double type according to the XPath 2.0 rules for casting the item's type.

For more information about type support in the System.Xml namespace, see Type Support in the System.Xml Classes.

Windows 98, Windows Server 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0

.NET Compact Framework

Supported in: 2.0

XNA Framework

Supported in: 1.0