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我现在要同时操作两个数据库中的数据,怎么把他们写到一个事务中执行。求助~~~~~~~~~~~~~~~~ --------------------编程问答-------------------- 多数据库,没做过,帮顶.
--------------------编程问答--------------------
        /// <summary>
        /// 执行多条SQL语句,实现数据库事务。
        /// </summary>
        /// <param name="SQLStringList">多条SQL语句</param>
        public static int ExecuteSqlTran(List<String> SQLStringList)
        {
            using (SqlConnection conn = new SqlConnection(connectionString))
            {
                conn.Open();
                SqlCommand cmd = new SqlCommand();
                cmd.Connection = conn;
                SqlTransaction tx = conn.BeginTransaction();
                cmd.Transaction = tx;
                try
                {
                    int count = 0;
                    for (int n = 0; n < SQLStringList.Count; n++)
                    {
                        string strsql = SQLStringList[n];
                        if (strsql.Trim().Length > 1)
                        {
                            cmd.CommandText = strsql;
                            count += cmd.ExecuteNonQuery();
                        }
                    }
                    tx.Commit();
                    return count;
                }
                catch
                {
                    tx.Rollback();
                    return 0;
                }
            }
        }



        /// <summary>
        /// 执行多条SQL语句,实现数据库事务。
        /// </summary>
        /// <param name="SQLStringList">SQL语句的哈希表(key为sql语句,value是该语句的SqlParameter[])</param>
        public static void ExecuteSqlTran(Hashtable SQLStringList)
        {
            using (SqlConnection conn = new SqlConnection(connectionString))
            {
                conn.Open();
                using (SqlTransaction trans = conn.BeginTransaction())
                {
                    SqlCommand cmd = new SqlCommand();
                    try
                    {
                        //循环
                        foreach (DictionaryEntry myDE in SQLStringList)
                        {
                            string cmdText = myDE.Key.ToString();
                            SqlParameter[] cmdParms = (SqlParameter[])myDE.Value;
                            PrepareCommand(cmd, conn, trans, cmdText, cmdParms);
                            int val = cmd.ExecuteNonQuery();
                            cmd.Parameters.Clear();
                        }
                        trans.Commit();
                    }
                    catch
                    {
                        trans.Rollback();
                        throw;
                    }
                }
            }
        }
--------------------编程问答-------------------- 多数据库,I'm so sorry。 --------------------编程问答-------------------- 是多个数据库啊! --------------------编程问答-------------------- 问题解决了,直接用sql写个事务,数据库名带表名直接执行就好了。这样反而更简单了些。
补充:.NET技术 ,  ASP.NET
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