自动更新 C#

应朋友要求，需要一个C# winform的自动更新要求 本来想想很简单 但实际操作也弄了一个下午（可能技术水平问题） 话不多说代码奉上。如有需要Email:[e-mail] 现给新手学习
主界面

thread+delegate实现信息提示


下载的文件（实际下载下来还要对文件解压，覆盖。。这些小功能就没去写了）

主页代码：

C# code

 public partial class Form1 : Form    {        Thread th = null;              public Form1()        {            InitializeComponent();        }        public delegate void SetText(string text,int i); //声明委托        /// <summary>        /// 委托实现        /// </summary>        /// <param name="value">值</param>        /// <param name="i">1表示为本地版本控件，2表示服务器版本控件，3表示提示信息控件</param>        public void setTextVlue(string value,int i)        {            if (i == 1)                lblOld.Text = value;            else if (i == 2)                lblNew.Text = value;            else if (i == 3)                lblMessage.Text = value;            else if (i == 4)                button1.Enabled = true;        }        /// <summary>        /// 窗体加载        /// </summary>        /// <param name="sender"></param>        /// <param name="e"></param>        private void Form1_Load(object sender, EventArgs e)        {            th = new Thread(new ThreadStart(threadFun));            th.Start();            button1.Enabled = false;        }        public void threadFun()        {            lblMessage.Invoke(new SetText(setTextVlue), "获取本地版本号。。。",3);            string enition = GetSourceList(System.AppDomain.CurrentDomain.BaseDirectory + "UpXml.xml", "Version")[0];            lblOld.Invoke(new SetText(setTextVlue),enition,1);            Thread.Sleep(2000);            lblMessage.Invoke(new SetText(setTextVlue),"获服务器地版本号。。。",3);            Thread.Sleep(2000);            string url = GetSourceList(System.AppDomain.CurrentDomain.BaseDirectory + "UpXml.xml", "url")[0];            enition = GetSourceList(url, "Version")[0];            lblNew.Invoke(new SetText(setTextVlue),enition,2);            lblMessage.Invoke(new SetText(setTextVlue), "数据获取结束", 3);            button1.Invoke(new SetText(setTextVlue), "打开按钮状态", 4);        }              /// <summary>        /// 读取xml获取数据        /// </summary>        /// <param name="xmlfilePath">xml路径</param>        /// <param name="nodeName">点名称</param>        /// <returns>xml值</returns>        public static List<string> GetSourceList(string xmlfilePath, string nodeName)        {            XmlTextReader textReader = null;            List<string> listStr = new List<string>();            try            {                textReader = new XmlTextReader(xmlfilePath);                while (textReader.Read())                {                    if (textReader.NodeType == XmlNodeType.Element && textReader.IsStartElement())                    {                        if (textReader.Name == nodeName)                        {                            listStr.Add(textReader.ReadInnerXml());                        }                    }                }                           }            catch(Exception ee)            {                textReader.Close();                listStr.Add(ee.Message);            }            return listStr;        }

下载页面代码

C# code

   private void DownList_Load(object sender, EventArgs e)        {            dt = getSource();            dataGridView1.DataSource = dt;        }        /// <summary>        /// 转化为DateTable 用于绑定        /// </summary>        /// <returns></returns>        public DataTable getSource()        {            string url = Form1.GetSourceList(System.AppDomain.CurrentDomain.BaseDirectory + "UpXml.xml", "url")[0];            List<string> list = Form1.GetSourceList(url, "UpdateFile");            DataTable tblDatas = new DataTable("Datas");            DataColumn dc = null;            string url2 = Form1.GetSourceList(url, "ut")[0];            //赋值给dc，是便于对每一个datacolumn的操作            dc = tblDatas.Columns.Add("ID", Type.GetType("System.Int32"));            dc.AutoIncrement = true;//自动增加            dc.AutoIncrementSeed = 1;//起始为1            dc.AutoIncrementStep = 1;//步长为1            dc.AllowDBNull = false;//            dc = tblDatas.Columns.Add("name", Type.GetType("System.String"));            dc = tblDatas.Columns.Add("lenght", Type.GetType("System.String"));            dc = tblDatas.Columns.Add("url", Type.GetType("System.String"));            DataRow newRow;            for (int i = 0; i < list.Count; i++)            {                newRow = tblDatas.NewRow();                newRow["name"] = list[i];                newRow["lenght"] = list[i].ToString().Length;                newRow["url"] =url2+"//"+ list[i].ToString();                tblDatas.Rows.Add(newRow);            }            return tblDatas;        }        //设置进度条        public void setProgressBar()        {            progressBar1.Value = 0;            progressBar1.Minimum = 0;            progressBar1.Maximum = dt.Rows.Count;            progressBar1.Step = 1;            for (int i = 0; i < dt.Rows.Count; i++)            {                progressBar1.Value += 1;                WebClient client = new WebClient();                client.DownloadFile(dt.Rows[0]["url"].ToString(), dt.Rows[i]["name"].ToString());                Thread.Sleep(1000);            }        }        private void button1_Click(object sender, EventArgs e)        {            setProgressBar();        }