Lol. Of course. I knew it would be easy. Thanks. For the life of me I could not find an example in the docs; the user guild or online.
The messagebox? I hardly use it. Gets in the way mostly. I've been using it to look at global variables. I know you can run commands. But if you don't know the commands, it's no help. Or am I wrong about this? On 5/8/09 2:35 AM, "Joe Lewis Wilkins" <[email protected]> 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
