Setting var = undefined has no effect. They are part of a class object being sent thru the gateway so maybe that is why. Some objects in the parent object may be null while others may not be. I will try deleting the ones that need to be null and see what happens.
--- In [email protected], "Tracy Spratt" <[EMAIL PROTECTED]> wrote: > > What happens when you set the variable = undefined? I would have > expected this to work. > > If you delete a variable: delete myVar; then try to access it, it > returns undefined. Maybe you could use that behavior. > > Tracy > > -----Original Message----- > From: [email protected] [mailto:[EMAIL PROTECTED] On > Behalf Of Libby > Sent: Wednesday, January 11, 2006 5:02 PM > To: [email protected] > Subject: [flexcoders] Null vs undefined vs "" > > Hello people! > This question is about Flex 1.5. > > My app passes some String vars thru the Flex gateway to Java. > When the var = undefined on the Flex side, it translates to null on > the java side, which is great. When the var = "" (null String) on the > flex side, it translates to a String("") on the java side, which ain't > null. I would like to check for "" on the Flex side and convert those > values to something that translates thru the gateway as a null object, > but so far I can't get it to happen. Values are only undefined before > they are used; once used and cleared out, they become "" and can > evidently never be set back to undefined again. > > So my actual question is, what can I set the object to be that will > translate as null going thru the gateway? I have tried: > setting them to undefined; > setting myVar = null; > setting myVar = x (an undefined variable); > several other combinations. > > Thanks, > Libby > > > > > > > -- > Flexcoders Mailing List > FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt > Search Archives: > http://www.mail-archive.com/flexcoders%40yahoogroups.com > Yahoo! Groups Links > -- Flexcoders Mailing List FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt Search Archives: http://www.mail-archive.com/flexcoders%40yahoogroups.com Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/flexcoders/ <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
