獲取EnterpriseLibrary企業庫配置文件中ConnectionStrings(原創)

在使用企業類庫時想取出單獨企業配置文件中的鏈接字符串遍歷，並放到本身的數據庫處理類中，在查找了好久的資料後都沒有找到，因而本身探索着寫了一個，共享給你們以作參考：

ConfigurationSourceSection sec = (ConfigurationSourceSection)ConfigurationManager.GetSection("enterpriseLibrary.ConfigurationSource");
            PolymorphicConfigurationElementCollection<ConfigurationSourceElement> po = (PolymorphicConfigurationElementCollection<ConfigurationSourceElement>)sec.Sources;

            FileConfigurationSourceElement ele = (FileConfigurationSourceElement)po.Get(0);

            string filepath = ele.FilePath;
            ConfigXmlDocument dc = new ConfigXmlDocument();
            string path = AppDomain.CurrentDomain.BaseDirectory + filepath;
            dc.Load(path);
            foreach (XmlNode item in dc.SelectNodes("configuration/connectionStrings/add"))
            {
                string name = item.Attributes["name"].Value;
                string connectionString = item.Attributes["connectionString"].Value;
                
            }

其中的「enterpriseLibrary.ConfigurationSource」爲企業類庫單獨配置節的Section