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XContainer.Descendants Method (XName)

Returns a filtered collection of the descendant elements for this document or element, in document order. Only elements that have a matching XName are included in the collection.

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

public IEnumerable<XElement> Descendants(
	XName name
)

Parameters

name
Type: System.Xml.Linq.XName

The XName to match.

Return Value

Type: System.Collections.Generic.IEnumerable<XElement>
An IEnumerable<T> of XElement containing the descendant elements of the XContainer that match the specified XName.

This method uses deferred execution.

The following example prints all descendants of an element.

// Attributes are not nodes, so will not be returned by DescendantNodes.
XElement xmlTree = new XElement("Root",
    new XAttribute("Att1", "AttributeContent"),
    new XElement("Child",
        new XText("Some text"),
        new XElement("GrandChild", "element content")
    )
);
IEnumerable<XElement> de =
    from el in xmlTree.Descendants("Child")
    select el;
foreach (XElement el in de)
    Console.WriteLine(el.Name);

This example produces the following output:

Child

The following is the same example, but in this case the XML is in a namespace. For more information, see Working with XML Namespaces.

// Attributes are not nodes, so will not be returned by DescendantNodes.
XNamespace aw = "http://www.adventure-works.com";
XElement xmlTree = new XElement(aw + "Root",
    new XAttribute(aw + "Att1", "AttributeContent"),
    new XElement(aw + "Child",
        new XText("Some text"),
        new XElement(aw + "GrandChild", "element content")
    )
);
IEnumerable<XElement> de =
    from el in xmlTree.Descendants(aw + "Child")
    select el;
foreach (XElement el in de)
    Console.WriteLine(el.Name);

This example produces the following output:

{http://www.adventure-works.com}Child

Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, 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

.NET Compact Framework

Supported in: 3.5

XNA Framework

Supported in: 3.0

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