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在数据库连接上创建事务处理对象，然后调用事务处理对象来提交事务或回滚事务。简单的代码：

private void button1_click(object sender, system.eventargs e)

{

sqlconnection conn = new sqlconnection(data source=192.168.2.200;uid=sa; password=;database = haierhr);

conn.open();

//启用事务

sqltransaction tran = conn.begintransaction();

sqlcommand cmd = new sqlcommand();

cmd.connection = conn;

cmd.transaction = tran;

try

{

cmd.commandtext = update hrrollmain set totalmember=totalmember-100 where rollid = '2005070101';

cmd.executenonquery();

cmd.commandtext = update hrrollsum set totalsummember=totalsummember+100 where rollsumid = '20050701';

cmd.executenonquery();

tran.commit();

messagebox.show(事务提交成功!);

}

catch(exception ex)

{

tran.rollback();

messagebox.show(error!+ex.message);

}

}

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