Xml.Linq 创建及保存XML文档

XElement xdoc = XElement.Parse(@"
<customers>
<customer ID=""A"" City=""New York"" Region=""North America"">
<order Item=""Widget"" Price=""100"" />
<order Item=""Tire"" Price=""200"" />
</customer>
<customer ID=""B"" City=""Mumbai"" Region=""Asia"">
<order Item=""Oven"" Price=""501"" />
</customer>
</customers>
");

Console.WriteLine("Contents of xdoc:");
Console.WriteLine(xdoc);