couldn't lock file

[florivucu]

The user needs to obtain some report these days. I do not have time to implement logging. I put some messages in the app and the app worked ok. But using the app without messages doesn't work any more. To do all you said I need time which I do not have.

[vcdebugger]

may be some simultaneous locking problem from diff users is causing the problem. try to use semaphores or mutex for synchronisation..

[florivucu]

I assume the "lock" is about the mdb. On that computer only one user is working. I don't know to use semaphores or mutex.

[VictorN]

The user needs to obtain some report these days. I do not have time to implement logging.

You spent much more time for the long discussion here than you'd needed to implement logging.

// EDIT: besides, time only matters if your App works, which is, unfortunately, not the case.

[GCDEF]

The user needs to obtain some report these days. I do not have time to implement logging. I put some messages in the app and the app worked ok. But using the app without messages doesn't work any more. To do all you said I need time which I do not have.

At least implement the try/catch blocks, catch and report the error. You may learn something.

FWIW, Requery after Open is redundant. You should remove it.

[VictorN]

FWIW, Requery after Open is redundant. You should remove it.

Correct! good catch!

Or, at least insert else between them!

	RstStatii.m_strFilter.Format("CODSTA = %ld",codes);
	if (!RstStatii.IsOpen())	
		RstStatii.Open(dbOpenSnapshot);
	else
		RstStatii.Requery();

[florivucu]

Problem solved. Thanks to all. The problem has been solved by reinstalling the MS Office. I will keep in mind to apply all you said in the new release. Many thanks to all.