>Sergey,
>
>You are right. It works like this:
>cUpdateString = [UPDATE BEST SET ] + lprFieldName + [ = '] + lprFieldValue + ['] + ;
> [ WHERE BESTNR=] + Transform(nBestnr)
>but it does not work like this:
>lcUpdateString = [UPDATE BEST SET ] + lprFieldName + [ = '] + [lprFieldValue] + ['] + ;
> [ WHERE BESTNR=] + Transform(nBestnr)
>as was proposed to overcome the problem with doubble quotes. However, when the command is written like the first one above I find now no problem to transfer doubble quotes to the SQL-table.

Sorry, it was typo. There shouldn't be brackets around lprFieldValue.