using System.Configuration; namespace ExportFaktur { public class ConnString { public static string BazaReklamConnection { get { return ConfigurationManager.AppSettings["BazaReklam.Connection"]; } } public static string CDNConnection { get { return ConfigurationManager.AppSettings["CDN.Connection"]; } } private static ConnString connectionString; private ConnString() { } public static ConnString getConnString() { if (connectionString == null) { connectionString = new ConnString(); } return connectionString; } } }