xml文件格式
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<?xml version="1.0" encoding="utf-8"?>
<messageList>
<message id="1">
<Name>熊猫</Name>
<QQ>123456</QQ>
<Email>panda@qq.com</Email>
<Content>asfdsafasdfasdfsad我是内容</Content>
<Time>2009-10-1</Time>
</message>
</messageList>
<?xml version="1.0" encoding="utf-8"?>
<messageList>
<message id="1">
<Name>熊猫</Name>
<QQ>123456</QQ>
<Email>panda@qq.com</Email>
<Content>asfdsafasdfasdfsad我是内容</Content>
<Time>2009-10-1</Time>
</message>
</messageList>
增加>>>>
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XmlDocument xmld = new XmlDocument();
xmld.Load(Server.MapPath("App_Code/Message.xml"));//加载xml文件
XmlNode root = xmld.SelectSingleNode("messageList");//查找messageList节点
int i = xmld.SelectSingleNode("messageList").ChildNodes.Count + 1;
XmlElement xml0 = xmld.createElement_x("message");
xml0.SetAttribute("id", i.ToString());
XmlElement xml1 = xmld.createElement_x("Name");//创建一个Name节点
xml1.InnerText = this.txtName.Value.Trim();
xml0.AppendChild(xml1);//添加
XmlElement xml2 = xmld.createElement_x("QQ");//创建QQ节点
xml2.InnerText = this.txtQQ.Value.Trim();
xml0.AppendChild(xml2);//添加
XmlElement xml3 = xmld.createElement_x("Email");//创建一个Email节点
xml3.InnerText = this.txtEmail.Value.Trim();
xml0.AppendChild(xml3);//添加