求索阁

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Linq;

using System.Text;

using System.Windows.Forms;

using System.IO;

using System.Xml;

using System.Xml.Linq;

namespace QueryXMLByLINQ

{

    public partial class Frm_Main : Form

    {

        public Frm_Main()

        {

            InitializeComponent();

        }

        static string strPath = "Employee.xml";

        static string strID = "";

        //窗体加载时加载XML文件

        private void Form1_Load(object sender, EventArgs e)

        {

            getXmlInfo();

        }

        //显示选中XML节点的详细信息

        private void dataGridView1_CellClick(object sender, DataGridViewCellEventArgs e)

        {

            strID = dataGridView1.Rows[e.RowIndex].Cells[3].Value.ToString();//记录选择的职工编号

            XElement xe = XElement.Load(strPath);//加载XML文件

            //使用LINT从XML文件中查询信息

            IEnumerable<XElement> elements = from PInfo in xe.Elements("People")

                                             where PInfo.Attribute("ID").Value == strID

                                             select PInfo;

            foreach (XElement element in elements)//遍历查询结果

            {

                textBox11.Text = element.Element("Name").Value;//显示职工姓名

                comboBox1.SelectedItem = element.Element("Sex").Value;//显示职工性别

                textBox12.Text = element.Element("Salary").Value;//显示职工薪水

            }

        }

        /// 将XML文件内容绑定到DataGridView控件

        /// <summary>

        /// 将XML文件内容绑定到DataGridView控件

        /// </summary>

        private void getXmlInfo()

        {

            DataSet myds = new DataSet();

            myds.ReadXml(strPath);

            dataGridView1.DataSource = myds.Tables[0];

        }

    }

}