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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;
        }
posted on 2008-07-14 20:11 白开心 阅读(373) 评论(0)  编辑 收藏 引用 所属分类: .Net（学习ing...）
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