using System;
using System.Linq;
using System.Xml;
using System.Xml.Linq;
using System.Collections;
using System.Collections.Generic;
public class MainClass{
public static void Main(){
XElement root = new XElement("Root",
new XAttribute("Att1", "attribute 1 content"),
new XAttribute("Att2", "2")
);
string c1 = (string)root.Attribute("Att1");
Console.WriteLine("c1:{0}", c1 == null ? "attribute does not exist" : c1);
}
}