多表更新报错Internal Error :30031

[迷途笛音]

AseCommandBuilder locb_idj = new AseCommandBuilder(loda_idj);
AseCommandBuilder lcb_brjbxx = new AseCommandBuilder(loda_brjbxx);
AseCommandBuilder lcb_brryxx = new AseCommandBuilder(loda_brryxx);
AseCommandBuilder lcb_blsy = new AseCommandBuilder(loda_blsy);
AseCommandBuilder lcb_fy = new AseCommandBuilder(loda_fy);

lac_idj.Open();
AseTransaction lotrans = lac_idj.BeginTransaction();
loda_idj.SelectCommand.Transaction = lotrans;

try
{
loda_idj.Update(lotbl_idj);

lac_brjbxx.Open();
loda_brjbxx.Update(lotbl_brjbxx);

lac_brryxx.Open();
loda_brryxx.Update(lotbl_brryxx);

lac_blsy.Open();
loda_blsy.Update(lotbl_blsy);

lac_fy.Open();
loda_fy.Update(lotbl_fy);

lotrans.Commit();

lac_idj.Close();
lac_brjbxx.Close();
lac_brryxx.Close();
lac_blsy.Close();
lac_fy.Close();
}
catch(Exception ex3)
{
lotrans.Rollback();
lac_idj.Close();
}

第二张表更新时报错：Internal Error :30031
请高手赐教？多谢