用ADO的话用:ADOConnection.BeginTranshe和ADOConnection.CommitTrans及
ADOConnection.RollbackTrans
用BDE的话用:
with CustomerQuery do
begin
Database1.StartTransaction;
try
ApplyUpdates; {try to write the updates to the database};
Database1.Commit; {on success, commit the changes};
except
Database1.Rollback; {on failure, undo the changes};
raise; {raise the exception to prevent a call to CommitUpdates!}
end;
CommitUpdates; {on success, clear the cache}
end;
ADOConnection.RollbackTrans
用BDE的话用:
with CustomerQuery do
begin
Database1.StartTransaction;
try
ApplyUpdates; {try to write the updates to the database};
Database1.Commit; {on success, commit the changes};
except
Database1.Rollback; {on failure, undo the changes};
raise; {raise the exception to prevent a call to CommitUpdates!}
end;
CommitUpdates; {on success, clear the cache}
end;
解决方案 »
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