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  • 事务

    string strconn = 数据库连接字符串;
    SqlConnection sqlConn = new SqlConnection(strconn);

    SqlCommand l_scsqlCommand = new SqlCommand();
    l_scsqlCommand.Connection = sqlConn;
    sqlConn.Open();
    SqlTransaction l_stsqlTransaction = sqlConn.BeginTransaction();//启动事务
    l_scsqlCommand.Transaction = l_stsqlTransaction;
    try
    {
    //删除HistoryMailInfo表中数据
    l_scsqlCommand.CommandText = "delete from HistoryMailInfo";
    l_scsqlCommand.ExecuteNonQuery();

    //插入HistoryMailInfo表中数据
    l_scsqlCommand.CommandText = "insert into HistoryMailInfo SELECT * from MailInfo";
    l_scsqlCommand.ExecuteNonQuery();

    //删除MailInfo表中数据
    l_scsqlCommand.CommandText = "delete from MailInfo";
    l_scsqlCommand.ExecuteNonQuery();

    if (dt != null && dt.Rows.Count != 0)
    {
    //批量添加内容到MailInfo表
    SqlBulkCopy bulkCopy = new SqlBulkCopy(sqlConn, SqlBulkCopyOptions.FireTriggers, l_stsqlTransaction);
    bulkCopy.DestinationTableName = "MailInfo";
    bulkCopy.BatchSize = dt.Rows.Count;
    bulkCopy.WriteToServer(dt);
    }

    l_stsqlTransaction.Commit();//提交事务

    }
    catch
    {
    l_stsqlTransaction.Rollback();//事务回滚
    throw;
    }
    finally
    {
    sqlConn.Close();
    l_stsqlTransaction.Dispose();
    sqlConn.Dispose();
    }

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  • 原文地址:https://www.cnblogs.com/WarBlog/p/6676518.html
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