Ncqrs.Eventing.Storage.SQL.MsSqlServerEventStore.GetVersion C# (CSharp) Method

        private static int? GetVersion(Guid providerId, SqlTransaction transaction)
        {
            using (var command = new SqlCommand(SelectVersionQuery, transaction.Connection))
            {
                command.Transaction = transaction;
                command.Parameters.AddWithValue("id", providerId);
                return (int?)command.ExecuteScalar();
            }
        }