LinQ To Xml

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 var Data = from cc in it.dt.CRM_CUSTOMER                   join cl in it.dt.CRM_Linkman on cc.CustomerID equals cl.CustomerID                   select new                   {                       customerName = cc.NAME,                       linkManName = cl.NAME,                       CustomerTag = cc.TAG,                       linkPhone = cl.PHONE,                   };//内链接         XDocument xdoxml = XDocument.Load(Server.MapPath(@"xmlFile/LinqXml2.xml"));        xdoxml.Root.RemoveAll();//移除父节点中的所有子节点        foreach (var o in Data)        {            xdoxml.Root.Add(new XElement(o.linkManName, new XElement("linkManName", new XText(o.linkManName)),                             new XElement("CustomerTag", new XText(o.CustomerTag == null ? "AAA" : o.CustomerTag)),                             new XElement("CustomerName", new XText(o.customerName)),                             new XElement("linkPhone", new XText(o.linkPhone == null ? "1234567" : o.linkPhone))                             ));        }        xdoxml.Save(Server.MapPath(@"xmlFile/LinqXml2.xml"));

(以上写法) LinqXml2.xml 文件中首先必须存在一个父节点如;(MyCustomerAndLinkMan)。。。