At 11:20 2016-06-15, Ken Dibble <krdibble@stny.rr.com> wrote:

>[Gene Wirchenko wrote:]

>> A VFP bug is possible. I had a case with aliases where VFP

>> lost track somehow. This was in a loop where the loop could have

>> executed thousands of times on the table. It was also in code

>> that had run fine for quite a while.

>>

>> What are the types and values of this.value and

>> this.oldvalue? Dump out that in your error handler. You might

>> have a VFP bug, but you might have something you overlooked.

>

>Have done, and if I'm still alive and not retired the next time it

>happens, I'll let you know what I find.

Next up: the mixed feelings should you find the cause. The

satisfaction of having nailed it. The dissatisfaction that you had to.

The best I can suggest is to start suspecting

everything. Start close to the problem and spread out as

needed. That is what I did with my alias problem noted above. My

code should have worked and usually did, but since it did not, I had

to kludge it.

Best of luck.

Sincerely,

Gene Wirchenko

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