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XContainer.FirstNode Property

  • Reference

Definition

Namespace:
System.Xml.Linq
Assemblies:
System.Xml.Linq.dll, System.Xml.XDocument.dll
Assemblies:
netstandard.dll, System.Xml.XDocument.dll
Assembly:
System.Xml.XDocument.dll
Assembly:
System.Xml.Linq.dll
Assembly:
netstandard.dll
Source:
XContainer.cs
Source:
XContainer.cs
Source:
XContainer.cs

Gets the first child node of this node.

C# 
public System.Xml.Linq.XNode FirstNode { get; }
C# 
public System.Xml.Linq.XNode? FirstNode { get; }

Property Value

XNode

An XNode containing the first child node of the XContainer.

Examples

The following example creates an element that contains child elements. It then gets the first child node of the parent element.

C# 
XElement xmlTree = new XElement("Root",  
    new XElement("Child1", 1),  
    new XElement("Child2", 2),  
    new XElement("Child3", 3),  
    new XElement("Child4", 4),  
    new XElement("Child5", 5)  
);  
XNode firstNode = xmlTree.FirstNode;  
Console.WriteLine(firstNode);

This example produces the following output:

XML 
<Child1>1</Child1>

Applies to

Продукт Версії
.NET Core 1.0, Core 1.1, Core 2.0, Core 2.1, Core 2.2, Core 3.0, Core 3.1, 5, 6, 7, 8, 9, 10
.NET Framework 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1
.NET Standard 1.0, 1.1, 1.2, 1.3, 1.4, 1.6, 2.0, 2.1
UWP 10.0

See also