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XNode.Ancestors Method (XName)

Returns a filtered collection of the ancestor elements of this node. 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> Ancestors(
	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 of the ancestor elements of this node. Only elements that have a matching XName are included in the collection.
The nodes in the returned collection are in reverse document order.
This method uses deferred execution.

This method will not return itself in the results.

The following example uses this method.

XElement xmlTree = new XElement("Root",
    new XElement("Child", 
        new XElement("GrandChild", "content")
    )
);
IEnumerable<XElement> grandChild = xmlTree.Descendants("GrandChild");
foreach (XElement el in grandChild.Ancestors("Child"))
    Console.WriteLine(el.Name);

This example produces the following output:

Child

.NET Framework

Supported in: 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 Silverlight 8.1, Windows Phone Silverlight 8

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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