How to convert XML attribute to Element using C#?

 XmlDocument xmlDoc = new XmlDocument();
xmlDoc.Load();


XmlNode selectedNode = xmlDoc.SelectSingleNode("./");
selectdeNode = changeNodeAttributesToElements(selectdeNode,xmlDoc);

private XmlNode changeNodeAttributesToElements(XmlNode node,XmlDocument xmlDoc)
{
	
	foreach (XmlAttribute att in node.Attributes)
	{
		XmlNode newNode = xmlDoc.CreateElement(att.Name);
		newNode.InnerText = att.Value;
		node.Append(newNode);
	}

	node.Attributes.RemoveAll();
}