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string FilePath = @"\WROX\ADONET\Chapter07\Nwind\Data\";
XDocument xdOrders = XDocument.Load(FilePath + "Orders.xml",LoadOptions.PreserveWhitespace);
// Define the xmlns:xsi namespace and prefix
XNamespace xsi = "http://www.w3.org/2001/XMLSchema-instance";
// Wrap the Order fragments with a root element
XDocument Orders =
new XDocument(
// Add an XML declaration
new XDeclaration("1.0","utf-8","yes"),// Add a descriptive comment
new XComment("Created with LINQ to XML"),// Start the root element
new XElement("Orders",// Add the xmlns:xsi namespace and prefix
new XAttribute(XNamespace.Xmlns + "xsi",xsi),// Add the noNamespaceSchemaLocation with xsi prefix
new XAttribute(xsi + "noNamespaceSchemaLocation",FilePath + "Orders.xsd"),// Add the created attribute with ISO8601 date
new XAttribute("generated",DateTime.Now.ToUniversalTime().ToString("s")),// Add the <Order> elements for U.S. customers
from o in xdOrders.Descendants("Order")
where o.Element("ShipCountry").Value == "USA"
orderby o.Element("OrderID").Value descending
select o));
Orders.Save("Orders.xml");
Process.Start("Orders.xml"); // Display the document in IE版权声明：本文内容由互联网用户自发贡献，该文观点与技术仅代表作者本人。本站仅提供信息存储空间服务，不拥有所有权，不承担相关法律责任。如发现本站有涉嫌侵权/违法违规的内容， 请发送邮件至 dio@foxmail.com 举报，一经查实，本站将立刻删除。