C# 交易處理

/// <summary>
        /// 多SQL語句操作--交易處理
        /// </summary>
        /// <param name="sqlComm">SQL語句數組</param>
        /// <returns>事務，返回String事務結果</returns>
        public string DoTran(string[] sqlComm)
        {
            if (connection.State.ToString() == "Closed")
                connection.Open();
            SqlTransaction myTran;
            myTran = connection.BeginTransaction();
            //string mess;
            
            SqlCommand command = new SqlCommand("",connection,myTran);
            //command.Connection = connection;
            try
            {
                foreach (string comm in sqlComm)
                {
                    command.CommandText = comm;
                    command.ExecuteNonQuery();