>I previously ask about this problem and got some suggestion. I had to do some other tasks but can now get back to this problem. Background, VFP 7, multi-user, files are on a Novell server. There is an error handler but it is NOT triggered by update failures.
>
>The problem is that occasionally the 1st record of "n" records is not update. rest are (according to the user). Records are update individually. I need to force the update if it fails.
>
>The general structure of the code is
>

>SELECT vietms
>SET ORDER TO TAG ordkey IN vitems
>
>SEEK table2.field2 IN vitems
>
>SCAN FOR vitems.clordno = Order_List.cordno
>  some calculations
>  RLOCK(inventory table')
>  REPLACE field with value
>  ...
>    IN inventorytable
>
>  TABLEUPDATE(0,.T.,'inventorytable')
>  UNLOCK IN inventorytable
>
>ENDSCAN
>

>
>Several potential problems where pointed out. I would appreciate suggestions on how to check for them and if possible simulate them in a single user situation.
>
>1. REPLACE command works most of the time, how do I check when it does not and what information about the what happend.
>2. It was suggested that an EOF was reached, what is best way of checking and what should I do if it occurs.
>3. Some one suggested using
>

>SELECT inventorytable
>REPLACE field WITH value
>

>instead of
>

>REPLACE field WITH value IN inventorytable
>

>if I do that then I have to re-select vitems to update a field in it. What are the overhead and consequences of doing this.
>4. Another suggestion was to use TABLEUPDATE()
I must have hit send too soon. For I meant
4. Another suggestion was to use TABLEUPDATE() with an error array. What is in the array and how to I force an error to check it?