System.Data.SqlClient.SqlTransaction.Commit C# (CSharp) Method

        override public void Commit()
        {
            Exception e = null;
            Guid operationId = s_diagnosticListener.WriteTransactionCommitBefore(_isolationLevel, _connection);

            ZombieCheck();

            SqlStatistics statistics = null;
            try
            {
                statistics = SqlStatistics.StartTimer(Statistics);

                _isFromAPI = true;

                _internalTransaction.Commit();
            }
            catch (Exception ex)
            {
                e = ex;
                throw;
            }
            finally
            {
                if (e != null)
                {
                    s_diagnosticListener.WriteTransactionCommitError(operationId, _isolationLevel, _connection, e);
                }
                else
                {
                    s_diagnosticListener.WriteTransactionCommitAfter(operationId, _isolationLevel, _connection);
                }

                _isFromAPI = false;

                SqlStatistics.StopTimer(statistics);
            }
        }

        public int ExecuteSqlTran(List <string> SQLStringList)
        {
            int result;

            using (System.Data.SqlClient.SqlConnection sqlConnection = new System.Data.SqlClient.SqlConnection(this.connectionString))
            {
                sqlConnection.Open();
                System.Data.SqlClient.SqlCommand sqlCommand = new System.Data.SqlClient.SqlCommand();
                sqlCommand.Connection = sqlConnection;
                System.Data.SqlClient.SqlTransaction sqlTransaction = sqlConnection.BeginTransaction();
                sqlCommand.Transaction = sqlTransaction;
                try
                {
                    int num = 0;
                    for (int i = 0; i < SQLStringList.Count; i++)
                    {
                        string text = SQLStringList[i];
                        if (text.Trim().Length > 1)
                        {
                            sqlCommand.CommandText = text;
                            num += sqlCommand.ExecuteNonQuery();
                        }
                    }
                    sqlTransaction.Commit();
                    result = num;
                }
                catch
                {
                    sqlTransaction.Rollback();
                    result = 0;
                }
            }
            return(result);
        }