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;

namespace?xmlFileOperate
{
????public?partial?class?Form1?:?Form
????{
????????public?Form1（）
????????{
????????????InitializeComponent（）;
????????}
????????static?public?string?strName?=?““;//記錄讀取時xml文件路徑
????????static?public?string?strOne?=?““;//定義兩個變量保存文本框內的值
????????static?public?string?strTwo?=?““;
????????static?public?string?strThree?=?““;//保存子標記名稱
????????static?public?string?strFour?=?““;//保存第二個子節點的屬性名
????????static?public?string?strFive?=?““;//保存第二個節點的屬性值
????????static?public?string?strSix?=?““;//保存節點路徑

????????private?xmlDocument?xmlDocument?=?new?xmlDocument（）;
????????private?xmlNode?xmlNode;
????????private?xmlElement?xmlElement;
????????DataSet?dataSet?=?new?DataSet（）;//聲明此數據集，存儲讀取出的xml數據

????????private?void?Form1_Load（object?sender?EventArgs?e）
????????{
????????????strName?=?“fileTwo.xml“;
????????????if?（File.Exists（strName））
????????????{
????????????????Showxml（）;
????????????????button3.Enabled?=?false;
????????????}
????????????else
????????????{
????????????????button3.Enabled?=?true;
????????????}
????????}

????????//修改創建的xml文件
????????private?void?button7_Click（object?sender?EventArgs?e）
????????{
????????????//修改第一個節點的屬性
????????????xmlDocument.Load（strName）;
????????????xmlNode?nodeOne?=?xmlDocument.SelectSingleNode（“//“?+?strThree）;
????????????xmlElement?ElementOne?=?（xmlElement）nodeOne;
????????????ElementOne.SetAttribute（attribute.Text?textBox4.Text）;

????????????//修改第一個節點的值????????????
????????????xmlNode?nodeTwo?=?xmlDocument.SelectSingleNode（“//“?+?strThree?+?“/*“）;
????????????xmlElement?ElementTwo?=?（xmlElement）nodeTwo;
????????????ElementTwo.InnerText?=?nodeContent.Text;

????????????//修改第二個節點的屬性值
????????????xmlNode?mainNodeThree?=?xmlDocument.SelectSingleNode（“//“?+?textBox7.Text?+?“[@“?+?strFour?+?“=‘“?+?strFive?+?“‘]“）;
????????????xmlElement?ElementThree?=?（xmlElement）mainNodeThree;
????????????ElementThree.SetAttribute（textBox10.Text?textBox8.Text）;

????????????//修改第二個節點的值
????????????xmlNode?nodeFour?=?xmlDocument.SelectSingleNode（“//“?+?textBox7.Text?+?“[@“?+?strFour?+?“=‘“?+?textBox8.Text?+?“‘]/*“）;
????????????xmlElement?ElementFour?=?（xmlElement）nodeFour;
????????????ElementFour.InnerText?=?textBox11.Text;

????????????xmlDocument.Save（strName）;
????????????MessageBox.Show（“恭喜你，修改成功！“?“提示信息“?MessageBoxButtons.OK?MessageBoxIcon.Asterisk）;
????????????Showxml（）;
????????}

????????private?void?dataGridView1_Selectionchanged（object?sender?EventArgs?e）
????????{
????????????//修改文本框的ReadOnly屬性
????????????readOnlytrue（）;
????????????//選定DataGridView中的一條記錄在文本框內顯示
????????????for?（int?i?=?0;?i?????????????{
????????????????if?（dataGridV

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件??????28959??2019-11-24?22:24??Af-C#操作xml文件完整源碼\123.pptx

?????文件??????11046??2009-01-10?15:40??Af-C#操作xml文件完整源碼\Backup\xmlFileOperate\Form1.cs

?????文件??????25501??2010-08-18?17:51??Af-C#操作xml文件完整源碼\Backup\xmlFileOperate\Form1.Designer.cs

?????文件???????5814??2009-01-10?15:39??Af-C#操作xml文件完整源碼\Backup\xmlFileOperate\Form1.resx

?????文件????????495??2009-01-06?15:19??Af-C#操作xml文件完整源碼\Backup\xmlFileOperate\Program.cs

?????文件???????1360??2009-01-06?15:19??Af-C#操作xml文件完整源碼\Backup\xmlFileOperate\Properties\AssemblyInfo.cs

?????文件???????2878??2009-01-06?15:19??Af-C#操作xml文件完整源碼\Backup\xmlFileOperate\Properties\Resources.Designer.cs

?????文件???????5612??2009-01-06?15:19??Af-C#操作xml文件完整源碼\Backup\xmlFileOperate\Properties\Resources.resx

?????文件???????1099??2009-01-06?15:19??Af-C#操作xml文件完整源碼\Backup\xmlFileOperate\Properties\Settings.Designer.cs

?????文件????????249??2009-01-06?15:19??Af-C#操作xml文件完整源碼\Backup\xmlFileOperate\Properties\Settings.settings

?????文件???????3774??2009-01-06?15:32??Af-C#操作xml文件完整源碼\Backup\xmlFileOperate\xmlFileOperate.csproj

?????文件????????932??2009-01-06?15:20??Af-C#操作xml文件完整源碼\Backup\xmlFileOperate.sln

?????文件???????3397??2019-02-22?15:17??Af-C#操作xml文件完整源碼\UpgradeLog.xml

?????文件????????191??2009-02-21?11:03??Af-C#操作xml文件完整源碼\xmlFileOperate\bin\Debug\fileTwo.xml

?????文件??????22016??2019-02-22?15:19??Af-C#操作xml文件完整源碼\xmlFileOperate\bin\Debug\xmlFileOperate.exe

?????文件??????36352??2019-02-22?15:19??Af-C#操作xml文件完整源碼\xmlFileOperate\bin\Debug\xmlFileOperate.pdb

?????文件??????22704??2019-10-16?22:11??Af-C#操作xml文件完整源碼\xmlFileOperate\bin\Debug\xmlFileOperate.vshost.exe

?????文件????????490??2013-03-18?17:00??Af-C#操作xml文件完整源碼\xmlFileOperate\bin\Debug\xmlFileOperate.vshost.exe.manifest

?????文件??????11046??2019-02-22?15:19??Af-C#操作xml文件完整源碼\xmlFileOperate\Form1.cs

?????文件??????27554??2019-10-16?22:11??Af-C#操作xml文件完整源碼\xmlFileOperate\Form1.Designer.cs

?????文件???????5814??2019-02-22?15:19??Af-C#操作xml文件完整源碼\xmlFileOperate\Form1.resx

?????文件????????789??2019-02-22?15:17??Af-C#操作xml文件完整源碼\xmlFileOperate\obj\Debug\DesignTimeResolveAssemblyReferences.cache

?????文件???????6897??2019-10-16?22:11??Af-C#操作xml文件完整源碼\xmlFileOperate\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache

?????文件???????4608??2019-02-22?15:17??Af-C#操作xml文件完整源碼\xmlFileOperate\obj\Debug\TempPE\Properties.Resources.Designer.cs.dll

?????文件???????1466??2019-10-16?22:11??Af-C#操作xml文件完整源碼\xmlFileOperate\obj\Debug\xmlFileOperate.csproj.FileListAbsolute.txt

?????文件????????847??2019-02-22?15:19??Af-C#操作xml文件完整源碼\xmlFileOperate\obj\Debug\xmlFileOperate.csproj.GenerateResource.Cache

?????文件??????22016??2019-02-22?15:19??Af-C#操作xml文件完整源碼\xmlFileOperate\obj\Debug\xmlFileOperate.exe

?????文件????????180??2019-02-22?15:19??Af-C#操作xml文件完整源碼\xmlFileOperate\obj\Debug\xmlFileOperate.Form1.resources

?????文件??????36352??2019-02-22?15:19??Af-C#操作xml文件完整源碼\xmlFileOperate\obj\Debug\xmlFileOperate.pdb

?????文件????????180??2019-02-22?15:17??Af-C#操作xml文件完整源碼\xmlFileOperate\obj\Debug\xmlFileOperate.Properties.Resources.resources

............此處省略31個文件信息