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XAttribute Explicit Conversion (XAttribute to DateTime)

Cast the value of this XAttribute to a DateTime.

This API is not CLS-compliant. 

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

public static explicit operator DateTime (
	XAttribute attribute
)

Parameters

attribute
Type: System.Xml.Linq.XAttribute

The XAttribute to cast to DateTime.

Return Value

Type: System.DateTime
A DateTime that contains the content of this XAttribute.

ExceptionCondition
FormatException

The attribute does not contain a valid DateTime value.

ArgumentNullException

The attribute parameter is null.

The value space of an attribute or element that contains date and time content is closely related to the dates and times described in ISO 8601. When creating an attribute or element that contains date and time content, the attribute or element values are formatted per the W3C specification. See the W3C specification for more details.

Behavior is lax when casting to a DateTime from an attribute or element. Even if the attribute or element value is not formatted exactly per the W3C specification, the value is appropriately converted to a DateTime.

This conversion operator uses CultureInfo.InvariantCulture to convert from a DateTime.

The following example creates an attribute with date and time content. It then casts it to DateTime to retrieve the value.

// Behavior is strict when formatting an XML element or attribute from a DateTime,
// but behavior is lax when casting to a DateTime from an element or attribute.

XElement root = new XElement("Root",
    new XAttribute("Att", new DateTime(2006, 10, 6, 12, 30, 0))
);
Console.WriteLine(root);

// casting from a strictly formatted XML attribute
DateTime dt = (DateTime)root.Attribute("Att");
Console.WriteLine("dt={0}", dt);
Console.WriteLine("-----");

// if root is formatted in some different way than the standard ISO 8601, if at all possible,
// the value is appropriately converted to DateTime

XAttribute dtAtt = new XAttribute("OrderDate", "October 6, 2006");
Console.WriteLine(dtAtt);
DateTime orderDate = (DateTime)dtAtt;
Console.WriteLine("OrderDate={0:d}", orderDate);

This example produces the following output:

<Root Att="2006-10-06T12:30:00" />
dt=10/6/2006 12:30:00 PM
-----
OrderDate="October 6, 2006"
OrderDate=10/6/2006

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Portable Class Library

Supported in: Portable Class Library

.NET for Windows Store apps

Supported in: Windows 8

.NET for Windows Phone apps

Supported in: Windows Phone 8.1, Windows Phone 8, Silverlight 8.1

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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

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