>>Raphael,
>>VFP9:
>>Maximum # of characters per macro substituted line 8,192
>>
>>But if this is an issue, why EditBox outside the grid works?
>
> What happens if you run the function via a cmdButton to a form value and then assign the controlSource for the grid column to that form value?
The same: String is too long to fit, when column gets focus.
Against Stupidity the Gods themselves Contend in Vain - Johann Christoph Friedrich von Schiller
The only thing normal about database guys is their tables.