Whoops, that was stupid. Change 'index' to 'i' in the for statement condition and incrementor.
2009/4/27 Tracy Spratt <tr...@nts3rd.com>: > > > A hint, look closely at this syntax: > > for (var i:int = 0; index < courses.length; index++) > > See the problem? > > > > Tracy Spratt, > > Lariat Services, development services available > > ________________________________ > > From: flexcoders@yahoogroups.com [mailto:flexcod...@yahoogroups.com] On > Behalf Of Sam Lai > Sent: Sunday, April 26, 2009 8:21 PM > > To: flexcoders@yahoogroups.com > Subject: Re: [flexcoders] getItemIndex ......returning -1 > > > > > I'm on my phone so I can't see the entirety of the reply, but I used a > variable named i as well as one named index so you know if a match has > been found or not. If index = -1, it means no match has been found. > > If it is always giving you -1, it is because the if statement inside > the loop isn't evaluating to true to any item within the array. > > See if you can figure it out, maybe using the Flex Debugger. > Otherwise, we'll need to see how you create the objects in the list, > and how you add them to the list. > > On 4/27/09, Tracy Spratt <tr...@nts3rd.com> wrote: >> Your if statement is wrong, decide whether you are going to use "I" or >> "index". >> >> >> >> Tracy Spratt, >> >> Lariat Services, development services available >> >> _____ >> >> From: flexcoders@yahoogroups.com [mailto:flexcod...@yahoogroups.com] On >> Behalf Of joe.g.ja...@kp.org >> Sent: Sunday, April 26, 2009 1:24 PM >> To: flexcoders@yahoogroups.com >> Subject: Re: [flexcoders] getItemIndex ......returning -1 >> >> >> >> >> >> >> >> >> >> Thank you, but for some reason the index variable is providing me with a >> -1 >> value, so the if statement is never true. >> >> var index:int = -1; >> for (var i:int = 0; index < courses.length; index++) >> { -1 >> if (courses.getItemAt(index).TITLE == "specific course name") >> { >> index = i; >> break; >> } >> } >> >> >> >> >> >> Sam Lai <samuel....@gmail.com> >> Sent by: flexcoders@yahoogroups.com >> >> 04/26/2009 12:59 AM >> >> >> Please respond to >> flexcoders@yahoogroups.com >> >> >> To >> >> flexcoders@yahoogroups.com >> >> >> cc >> >> >> >> >> Subject >> >> Re: [flexcoders] getItemIndex ......returning -1 >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> Flex is looking for a string in the array with the value 'specific >> course name'. In your arraycollection though, you have objects (not >> strings), which within them hold multiple strings (TITLE, DESC, REQ). >> >> The only way to match again the title field of every object in the >> array is to use a for loop, e.g. >> >> var index:int = -1; >> for (var i:int = 0; index < courses.length; index++) >> { >> if (courses.getItemAt(index).TITLE == "specific course name") >> { >> index = i; >> break; >> } >> } >> >> if (index < 0) >> trace("no course found by that name"); >> else >> trace("course found"); >> >> 2009/4/26 kpjj31 <joe.g.james@ <mailto:joe.g.james%40kp.org> kp.org>: >>> What am I doing wrong. Thanks. >>> >>> private function getcoursesResult(event:ResultEvent):void{ >>> >>> courses = new ArrayCollection (event.result.COURSELIST as Array); >>> >>> var newindex:int = courses.getItemIndex('specific course name'); >>> >>> courses_datagrid.selectedIndex=newindex; >>> } >>> >>> arraycollection example... >>> >>> COURSELIST >>> + 0 >>> - 1 >>> TITLE : 'specific course name' >>> DESC : '' >>> REQ : '' >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> >>> ------------------------------------ >>> >>> -- >>> Flexcoders Mailing List >>> FAQ: http://groups. >> <http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt> >> yahoo.com/group/flexcoders/files/flexcodersFAQ.txt >>> Alternative FAQ location: https://share. >> >> <https://share.acrobat.com/adc/document.do?docid=942dbdc8-e469-446f-b4cf-1e6 >> 2079f6847> >> acrobat.com/adc/document.do?docid=942dbdc8-e469-446f-b4cf-1e62079f6847 >>> Search Archives: http://www.mail- >> <http://www.mail-archive.com/flexcoders%40yahoogroups.comYahoo> >> archive.com/flexcoders%40yahoogroups.comYahoo! Groups Links >>> >>> >>> >>> >> >> >> >> >> >> > > -- > Sent from my mobile device > >
