Winform中XML文件读写与配置操作详解

winform对xml文件的操作 

01.1.Xml文档如下  
02.<?xml version="1.0" encoding="utf-8"?>  
03.<configuration>  
04.<add key="IIDataBase" value="Server=192.168.10.12,2433;database=mang;user id=sa;password=2008sqlpwd;">  
05.</add>  
06.<add key="IIIDataBase" vaule="Server=192.168.10.22,6666;database=iii;user id=sa;password=nbPwd;">  
07.</add>  
08.<add key="RegisterDescription" value="用户根据系统提供的机器码经由算号器计算出注册号填入下框中进行产品注册。\r\n注：\r\n1.算号器由专人负责。\r\n2.如有其他问题联系管理员。">  
09.</add>  
10.<add key="RegisterCode" value="dsafds">  
11.</add>  
12.</configuration>  
13.  
14.2.定义一个类用来操作xml文档  
15.    public class Config  
16.    {  
17.        private XmlDocument xmlDoc; //引入命名空间:using System.Xml;  
18.        private string filePath = Application.StartupPath + @"\help\config.xml"; //引入命名空间:using System.Windows.Forms;  
19.  
20.        public Config()  
21.        {  
22.            xmlDoc = new XmlDocument();             
23.            xmlDoc.Load(filePath);  
24.        }  
25.        /// <summary>  
26.        /// 获取值  
27.        /// </summary>  
28.        /// <param name="strKey"></param>