XmlAttribute.ReplaceChild Method (XmlNode, XmlNode)


The .NET API Reference documentation has a new home. Visit the .NET API Browser on docs.microsoft.com to see the new experience.

Replaces the child node specified with the new child node specified.

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

public override XmlNode ReplaceChild(
	XmlNode newChild,
	XmlNode oldChild


Type: System.Xml.XmlNode

The new child XmlNode.

Type: System.Xml.XmlNode

The XmlNode to replace.

Return Value

Type: System.Xml.XmlNode

The XmlNode replaced.

Exception Condition

This node is of a type that does not allow child nodes of the type of the newChild node.

The newChild is an ancestor of this node.


The newChild was created from a different document than the one that created this node.

This node is read-only.

The oldChild is not a child of this node.

If the newChild is already in the tree, it is first removed.

If the newChild was created from another document, you can use XmlDocument.ImportNode to import the node to the current document.

For an example of the ReplaceChild method, see the ReplaceChild method.

Universal Windows Platform
Available since 10
.NET Framework
Available since 2.0
Return to top