using System;using System.Collections.Generic;using System.Text;using System.Configuration;using System.Xml;using System.Reflection;namespace Walter.K.Wang.Config...{ /**//// <summary> /// 讀寫配置文件操作類 /// </summary> public class Config ...{ /**//// <summary> /// 讀配置文件 /// </summary> /// <param name="key">關鍵字</param> /// <returns>直</returns> public string ReadConfig(string key) ...{ return ConfigurationManager.AppSettings[key].ToString(); } /**//// <summary> /// 寫配置文件 /// </summary> /// <param name="key">關鍵字</param> /// <param name="value">直</param> public void WriteConfig(string key,string value) ...{ XmlDocument doc = new XmlDocument(); //創建DLL文件 doc.Load(Assembly.GetEntryAssembly().Location + ".config"); //程序中片段碼 XmlNode node = doc.SelectSingleNode("//appSettings"); if (node == null) throw new InvalidOperationException("沒有找到AppSettings接點."); try ...{ XmlElement elem = (XmlElement)node.SelectSingleNode(string.Format("//add[@key='{0}']", key)); if (elem != null) ...{ elem.SetAttribute("value", value); } else ...{ elem = doc.CreateElement("add"); elem.SetAttribute("key", key); elem.SetAttribute("value", value); node.AppendChild(elem); } doc.Save(Assembly.GetEntryAssembly().Location + ".config"); } catch(Exception Err) ...{ throw new Exception(Err.Message); } } }}