Ahhh! "Exists" was there. I was looking at it from the wrong end. Thanks.
God I feel like I have to unlearn all my coding habits and thinking. On 5/8/09 2:47 AM, "Joe Lewis Wilkins" <[email protected]> wrote: > Stephen, I should have checked. Check "exists" in the dictionary for > the rev syntax. Not quite as straightforward or easy as with HC. > Sorry, > Joe Wilkins > > On May 7, 2009, at 11:35 PM, Joe Lewis Wilkins wrote: > >> Stephen, >> >> Without even checking, since it's the way it would be done in HC, >> just use: >> >> if tUsername is empty then .... >> >> if tUsername exists then ... >> >> You were already there. Didn't you check these out in the messagebox? >> >> Joe Wilkins >> >> On May 7, 2009, at 11:25 PM, Stephen Cox wrote: >> >>> Really two questions: >>> >>> How do I check if a variable is empty? Sort of like; >>> >>> If !empty(tUsername) >>> // process here >>> Endif >>> >>> Empty() is a Foxpro function that pops if what you are checking is >>> empty. I >>> can¹t seem to find it¹s equivalent in revolution. Am I approaching >>> this the >>> wrong way? And can I check fields the same way? >>> >>> I suppose I could create an empty variable and just compare the 2? >>> But is >>> there an easier way? >>> >>> Next question; checking the existence of a variable? Now I know I >>> can turn >>> on Strict Compilation (and I have) but I¹d rather have the >>> assurance of >>> checking to see if a variable exist? Is this a non-issue in >>> Revolution? >>> >>> Thanks >>> >>> -Stephen Cox > > _______________________________________________ > use-revolution mailing list > [email protected] > Please visit this url to subscribe, unsubscribe and manage your subscription > preferences: > http://lists.runrev.com/mailman/listinfo/use-revolution _______________________________________________ use-revolution mailing list [email protected] Please visit this url to subscribe, unsubscribe and manage your subscription preferences: http://lists.runrev.com/mailman/listinfo/use-revolution
