AppModify修改app.config

標籤：

public class AppModify    {        /// <summary>        /// 依據串連串名字connectionName返回資料連線字串        /// </summary>        /// <param name="connectionName"></param>        /// <returns></returns>        public static string GetConnectionStringsConfig(string connectionName)        {            string connectionString =                    ConfigurationManager.ConnectionStrings[connectionName].ConnectionString.ToString();            return connectionString;        }        /// <summary>        /// 更新連接字串        /// </summary>        /// <param name="newName"> 連接字串名稱 </param>        /// <param name="newConString"> 連接字串內容 </param>        /// <param name="newProviderName"> 資料提供者名稱 </param>        public static void UpdateConnectionStringsConfig(string newName,            string newConString,            string newProviderName)        {            bool isModified = false;    // 記錄該串連串是否已經存在            // 如果要更改的串連串已經存在            if (ConfigurationManager.ConnectionStrings[newName] != null)            {                isModified = true;            }            // 建立一個連接字串執行個體            ConnectionStringSettings mySettings =                new ConnectionStringSettings(newName, newConString, newProviderName);            // 開啟可執行檔設定檔*.exe.config            Configuration config =                ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None);            // 如果串連串已存在，首先刪除它            if (isModified)            {                config.ConnectionStrings.ConnectionStrings.Remove(newName);            }            // 將新的串連串添加到設定檔中.            config.ConnectionStrings.ConnectionStrings.Add(mySettings);            // 儲存對設定檔所作的更改            config.Save(ConfigurationSaveMode.Modified);            // 強制重新載入設定檔的ConnectionStrings配置節            ConfigurationManager.RefreshSection("ConnectionStrings");        }        public static void UpdateConnectionStringsConfig(string newName,           string newConString)        {            bool isModified = false;    // 記錄該串連串是否已經存在            // 如果要更改的串連串已經存在            if (ConfigurationManager.ConnectionStrings[newName] != null)            {                isModified = true;            }            // 建立一個連接字串執行個體            ConnectionStringSettings mySettings =                new ConnectionStringSettings(newName, newConString);            // 開啟可執行檔設定檔*.exe.config            Configuration config =                ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None);            // 如果串連串已存在，首先刪除它            if (isModified)            {                config.ConnectionStrings.ConnectionStrings.Remove(newName);            }            // 將新的串連串添加到設定檔中.            config.ConnectionStrings.ConnectionStrings.Add(mySettings);            // 儲存對設定檔所作的更改            config.Save(ConfigurationSaveMode.Modified);            // 強制重新載入設定檔的ConnectionStrings配置節            ConfigurationManager.RefreshSection("ConnectionStrings");        }        /// <summary>        /// 返回＊.exe.config檔案中appSettings配置節的value項        /// </summary>        /// <param name="strKey"></param>        /// <returns></returns>        public static string GetAppConfig(string strKey)        {            foreach (string key in ConfigurationManager.AppSettings)            {                if (key == strKey)                {                    return ConfigurationManager.AppSettings[strKey];                }            }            return null;        }        /// <summary>        /// 在＊.exe.config檔案中appSettings配置節增加一對鍵、值對        /// </summary>        /// <param name="newKey"></param>        /// <param name="newValue"></param>        public static void UpdateAppConfig(string newKey, string newValue)        {            bool isModified = false;            foreach (string key in ConfigurationManager.AppSettings)            {                if (key == newKey)                {                    isModified = true;                }            }            // Open App.Config of executable            Configuration config =                ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None);            // You need to remove the old settings object before you can replace it            if (isModified)            {                config.AppSettings.Settings.Remove(newKey);            }            // Add an Application Setting.            config.AppSettings.Settings.Add(newKey, newValue);            // Save the changes in App.config file.            config.Save(ConfigurationSaveMode.Modified);            // Force a reload of a changed section.            ConfigurationManager.RefreshSection("appSettings");        }    }

 

AppModify修改app.config