Jim,

About a year ago I struggled with a similar problem.  In my case, I isolated
the problem to forms with DBGrids where I make use of the on click EEP.  I
discovered that some users would click multiple times (instead of once)
causing various errors or erroneous results (including occasional access
violations).  To resolve the problem, I made use of the form timer to
restrict the clicks to one.

 

If your problem is similar to the problem I had, let me know and I will send
you a copy of the code that I use.  I am not in my office at the moment but
I should be back around 2:00 PM and I will send it to you if you want to
give it a try.

 

John

 

From: [email protected] [mailto:[email protected]] On Behalf Of Jim Belisle
Sent: Monday, July 12, 2010 7:09 AM
To: RBASE-L Mailing List
Subject: [RBASE-L] - Re: access violation

 

Larry,

 

In the case you mentioned below, where the code worked fine with one PC but
generated Access Violations on another PC, do you know if the problem was
fixed? 

The one employee has no problems with the BOL form, while another employee
constantly gets the Access Violations with the same form. 

 

Jim

  _____  

From: [email protected] [mailto:[email protected]] On Behalf Of Lawrence
Lustig
Sent: Thursday, July 08, 2010 12:21 PM
To: RBASE-L Mailing List
Subject: [RBASE-L] - Re: access violation

 

<< 

Any of you believe a server could be producing these errors?

>> 

 

Bad data could cause that kind of problem.  So if the server or the network
is returning junk to the instance of R:Base running on the workstation, that
could be responsible.  And I have seen at least one instance where the exact
same code running against the exact same database files worked on a PC and
generated Access Violations (seemingly at random) on a networked copy of the
database.

--

Larry

 

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