I'm having the same problem when affecting the result of an
httprequest to an ArrayCollection. The problem is, when there's no
results or only 1, I get the same error (#1034) as you.
Any ideas how to solve this?
Thanks!
Nicolas
--- In flexcoders@yahoogroups.com, "gekkemus" <[EMAIL PROTECTED]> wrote:
>
> I have a simple HTTPService that gets an XML document. The XML
> document is structured like this:
>
> <STOCK_EXCHANGE>
> .....
> <STOCK_HISTORY>
> <STOCK>
> <SYMBOL>GOOG</SYMBOL>
> <FULLNAME>Google Corporation</FULLNAME>
> <RATES>
> <RATE>123,12</RATE>
> <RATE>123,13</RATE>
> ....
> </RATES>
> </STOCK>
> <STOCK>
> ...
> </STOCK>
> </STOCK_HISTORY>
> </STOCK_EXCHANGE>
>
> I have a resulthandler on the HTTPService, that handles the
> ResultEvent. It basically makes an ArrayCollection:
> stockDetailCollection = event.result.STOCK_EXCHANGE.STOCK_HISTORY.STOCK;
>
> So when done my ArrayCollection contains a collection of stocks. Now I
> want to filter my collection to select just one specific stock, so I
> added a filterFunction, which filters the stockDetailCollection to
> show only the specific stock by using the SYMBOL:
>
> private function stockDetailCollectionFilter(item:Object):Boolean {
> return item.SYMBOL == stockDetailSymbol;
> }
>
> In this function stockDetailSymbol is a bindable that gets set in a
> pulldown or whatever. After applying the filter function, I call
> stockDetailCollection.refresh() to filter.
>
> The problem I have is that now I have 1 item in the ArrayCollection.
> From this item I want to use the RATES elements to create a new
> collection that I can use as a datasource for a line-chart. If I try
> something like:
>
> stockDetailCollection.filterFunction=stockDetailCollectionFilter;
> stockDetailCollection.refresh();
> stockData = ArrayCollection(stockDetailCollection.getItemAt(0).RATES);
>
> It fails with the message:
>
> TypeError: Error #1034: Type Coercion failed: cannot convert
> mx.utils::[EMAIL PROTECTED] to mx.collections.ArrayCollection.
>
> I hope it's clear what I'm trying to achieve. Can someone point me in
> the right direction? This is my first Flex application, and I'm
> struggling a bit ;-)
>
> TIA,
> Bastiaan
>
