求救,请教ado中有关事务的问题。
dim cnn as new adodb.connection
dim rst as new adodb.recordset
......
on error goto err_
cnn.open "provider=......."
rst.open "select ......",cnn, ......
cnn.begintrans
......
rst.update
cnn.committrans
......
err_:
cnn.rollbacktrans
......
为何在提交事务前出错,数据库仍被修改?