It returns an empty XMLList.
//var result : XML = XML (e.result);
//var result : XML = <response><fault/></response>;
var result : XML = <response><user/></response>;
if (result.user.length ()) trace("Yippee!");
if (result.fault.length ()) trace("Boo!");
trace (result.user.length ());
trace (result.fault.length ());
--- In flexcoders@yahoogroups.com, "tddclare" <[EMAIL PROTECTED]> wrote:
>
> I'm trying a simple test, and either it's monday or my brain is
> broken... maybe both...
>
> I'm writing a login component, and fire off a HTTP service that
> returns XML as E4X. The response XML is a <response> tag with
either
> a <user> tag or a <fault> tag inside of it.
>
> All I want to do is test if there is a user or fault in the
response!
>
> I'm trying this:
> private function handle(e:ResultEvent):void {
> if (e.result..user) {
> trace("Yippee!)
> }
> if (e.result..fault) {
> trace("Boo!)
> }
> }
>
> The event is firing, but I always get "Yippee" even when I point at
a
> file that has NO user tag.
>
> I've replaced the conditional with everything I can think of:
> e.result..user != null
> e.result..user != ""
>
> but it seems to fire no matter what.
>
> If the E4X parser does NOT find the descendant, what does it
return?
> Is this documented anywhere in the (not so good) Flex/AS3
documentation?
>
> Thanks!
>
> -- TC
>
