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Does cursor exist
Message
De
22/08/2002 19:31:30
 
 
À
22/08/2002 19:24:39
John Tomblin
Service Station Systems, Inc.
San Jose, Californie, États-Unis
Information générale
Forum:
Visual FoxPro
Catégorie:
Codage, syntaxe et commandes
Divers
Thread ID:
00692733
Message ID:
00692736
Vues:
22
>A SQL-Select into a cursor will not create an empty cursor if no records match your criteria. Any actions upon the non-existing cursor will produce errors.
>
>I use _tally after the select to determine if a cursor was created but, elseware in the application I need to perform actions upon the cursor but, I don't know a command in Foxpro to ask "Does the cursor exist at all?", like type() for memory varibles. Can anyone help?
IF USED('Temp')
   ...
ENDIF
Michel Fournier
Level Extreme Inc.
Designer, architect, owner of the Level Extreme Platform
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