>>Hi everybody,
>>
>>I have a table with primary PK KeyID. This KeyID is auto-generated using default value in the field. Now, user opens table in command window and do append blank. GetNextID fails and returns 0. So, we ended with couple of records with 0 as PK.
>>
>>How can we stop APPEND BLANK if GetNextID fails?
>>
>>Thanks in advance.
>
>Why would GetNextID fail?
>
>Perhaps VFP can't find this function.
>
>I place the function which I believe is the equivalent into stored procedures. This works even if user issues APPEND BLANK from the command window, or adds a new record from the BROWSE window.
>
>HTH, Hilmar.

To be honest, it was my error in this stored procedure, which I just fixed. However, what if NextID table could not be opened or locked? In this case this function still would return 0 and we would end with 0 as Primary Key...