public static IConnectionStringList Instance()
        {
            if (_connectionStrings == null)
            {
                _connectionStrings = new ConnectionStringList();
            }

            return(_connectionStrings);
        }
        public static IConnectionStringList Instance()
        {
            if (_connectionStrings == null)
            {
                _connectionStrings = new ConnectionStringList();
            }

            return _connectionStrings;
        }