using System;
using System.Text;
using System.Xml;
using System.IO;
using System.Linq;
using System.Xml.Linq;
using System.Collections;
using System.Collections.Generic;
public class MainClass
{
public static void Main()
{
StringBuilder sb = new StringBuilder();
XmlWriterSettings xws = new XmlWriterSettings();
xws.OmitXmlDeclaration = true;
using (XmlWriter xw = XmlWriter.Create(sb, xws))
{
XElement root = new XElement("Root",
new XElement("Child", "child content")
);
root.Save(xw);
}
Console.WriteLine(sb.ToString());
}
}