企业库的保存方法

/**//**//**//**//**//**//**//// <summary>        /// 数据库连接 Name 值        /// </summary>        private const string DB_CONNECTION = "CRMConnectionString";private Database _DB = null;        /**//// <summary>        /// 数据操作对象        /// </summary>        protected Database DB        {            get            {                if (_DB == null)                {                    _DB = DatabaseFactory.CreateDatabase(DB_CONNECTION);                }                return _DB;            }        }private DbProviderFactory _DBFactory = null;        /**//**//**//**//**//**//**//// <summary>        ///         /// </summary>        protected DbProviderFactory DBFactory        {            get            {                if (_DBFactory == null)                {                    /**//**//**//// 两种方法都一样构造该对象                    /// string dbProviderName = ConfigurationManager.ConnectionStrings[DB_CONNECTION].ProviderName;                    /// _DBFactory = DbProviderFactories.GetFactory(dbProviderName);                    _DBFactory = DB.DbProviderFactory;                }                return _DBFactory;            }        }/**//**//**//**//**//**//**//// <summary>        /// 保存方法        /// </summary>        /// <param name="dataCompany"></param>        /// <param name="dataProduct"></param>        /// <returns></returns>        public bool Save(DataTable dataCompany, DataTable dataProduct)        {            DbCommand Cmd;            DbDataAdapter Adp;            DbCommandBuilder Cmb;            using (DbConnection Conn = DB.CreateConnection())            {                Conn.Open();                DbTransaction tran = null;                try                {                    tran = Conn.BeginTransaction();                    // Create the select command.                    Cmd = DBFactory.CreateCommand();                    Cmd.CommandText = "Select * from CompeteCompany";                    Cmd.Connection = Conn;                    Cmd.Transaction = tran;                    // Create the DbDataAdapter.                    Adp = DBFactory.CreateDataAdapter();                    Adp.SelectCommand = Cmd;                    // Create the DbCommandBuilder.                    Cmb = DBFactory.CreateCommandBuilder();                    Cmb.DataAdapter = Adp;                    // Get the insert, update and delete commands.                    Adp.InsertCommand = Cmb.GetInsertCommand();                    Adp.UpdateCommand = Cmb.GetUpdateCommand();                    Adp.DeleteCommand = Cmb.GetDeleteCommand();                    /**//**//**//**//**//**//**//// 更新竞争对手表                    Adp.Update(dataCompany);                    // Create the select command.                    Cmd = DBFactory.CreateCommand();                    Cmd.CommandText = "Select * from CompeteProduct";                    Cmd.Connection = Conn;                    Cmd.Transaction = tran;                    // Create the DbDataAdapter.                    Adp = DBFactory.CreateDataAdapter();                    Adp.SelectCommand = Cmd;                    // Create the DbCommandBuilder.                    Cmb = DBFactory.CreateCommandBuilder();                    Cmb.DataAdapter = Adp;                    // Get the insert, update and delete commands.                    Adp.InsertCommand = Cmb.GetInsertCommand();                    Adp.UpdateCommand = Cmb.GetUpdateCommand();                    Adp.DeleteCommand = Cmb.GetDeleteCommand();                    /**//**//**//**//**//**//**//// 更新竞争产品表                    Adp.Update(dataProduct);                }                catch                {                    if (tran.Connection != null)                        tran.Rollback();                }                finally                {                    if (tran.Connection != null)                        tran.Commit();                }            }            return true;        }

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