private Data.ArtDatabankenService.Database GetDatabase(Boolean refresh = false)
 {
     if (_database.IsNull() || refresh)
     {
         _database = DatabaseManagerTest.GetDatabase();
     }
     return(_database);
 }
 private DatabaseList GetDatabases(Boolean refresh)
 {
     if (_databases.IsNull() || refresh)
     {
         _databases = DatabaseManagerTest.GetAllDatabases();
     }
     return(_databases);
 }