读取XML文件中的指定值及属性(供大家分享)

using System;

using System.Data;

using System.Configuration;

using System.Collections;

using System.Web;

using System.Web.Security;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.Web.UI.WebControls.WebParts;

using System.Web.UI.HtmlControls;

using System.Xml;

//using System.IO;

using System.Xml.XPath;

public partial class Default2 : System.Web.UI.Page

{

    protected void Page_Load(object sender, EventArg*path查询示例

        XmlDocument doc = new XmlDocument();

        doc.Load(Server.MapPath("App_Data/j2ee.xml"));

        //获取该节点的父节点属性值以及该节点父节点上一级的属性值

         TextBox1.Text=node.ParentNode.Attributes[0].Value;

         TextBox1.Text=node.ParentNode.ParentNode.Attributes[0].Value;

        

        //根据绝对路径查找节点

        //XmlNodeList list = doc.SelectNodes("/shop/book/author");

        //XmlNode node= list.Item(0);

        //TextBox1.Text = node.InnerText;

       

        // xpath条件查询

        //XmlNodeList list = doc.SelectNodes("/shop/book[price>10]/title");

        //TextBox1.Text = list.Item(0).InnerText;

        //根据属性查找[]表示属性查询

        //XmlNodeList list = doc.SelectNodes("//price[@unit='￥']");

        //TextBox1.Text = list.Item(0).InnerText;

        //XmlNodeList list = doc.SelectNodes("//price[@unit]");

        //TextBox1.Text = list.Item(0).InnerText;

        //XmlNodeList list = doc.SelectNodes("//price[@*]");

        //TextBox1.Text = list.Item(0).InnerText;

        //列出所有的属性

        //XmlNodeList list = doc.SelectNodes("/shop/book[0]");

        //  foreach (XmlNode node in list)

        //      TextBox1.Text += node.Name + "=" + node.Value;

        //XmlAttribute node =(XmlAttribute)doc.SelectNodes("//@*");

        //node.OwnerElement.Attributes.Remove(node);

        //node.ParentNode.Attributes.Remove(node);

        //XmlNodeList list = doc.SelectNodes("//author");

        //foreach (XmlNode node in list)

        //{

        //    if (node.InnerText.StartsWith("zhang"))

        //        node.Value = node.Value.Replace("zhang", "li");

        //}

        //XmlNodeList list = doc.SelectNodes("//@*");

        //foreach (XmlNode node in list)

        //{

        //    XmlAttribute attribute = (XmlAttribute)node;

        //    if(attribute.Value.Equals("RMB"))

        //    attribute.OwnerElement.Attributes.Remove(attribute);

        //}

        //XmlNodeList list = doc.SelectNodes("//@*");

        //foreach (XmlNode node in list)

        //{

        //    XmlAttribute attribute = (XmlAttribute)node;

        //    //if (attribute.Value.Equals("RMB"))

        //    attribute.OwnerElement.Attributes.Remove(attribute);

        //}

        XmlNodeList list = doc.SelectNodes("/shop");

        XmlElement add=doc.CreateElement("mark");

        add.InnerText="hello";

        list.Item(0).InsertAfter(add, list.Item(0).ChildNodes[1]);

      

        doc.Save(Server.MapPath("App_Data/j2ee.xml"));

    }

    protected void TextBox1_TextChanged(object sender, EventArgs e)

    {

    }

}