Use trace() to debug instead of Alert. Using Alert can cause UI/focus problems in some circumstances.
Also, have you tried using ChangeWatcher instead of bindProperty? It might be easier to debug, since you can verify if/when the handler is called. In the handler, directly assign the dataProvider property. Using addItem() *should* cause the necessary events to be dispatched. BTW, you are using an ArrayCollection, not an Array. There is a significant difference. Tracy ________________________________ From: [email protected] [mailto:[EMAIL PROTECTED] On Behalf Of netdeep Sent: Thursday, November 20, 2008 1:42 PM To: [email protected] Subject: [flexcoders] appending to a dataprovider in actionscript I am still trying to iron out the problems with data binding in actionscript an server push. If I just replace the old array with a new one, it updates ok, but when I append to an array, it doesn't seem to work. I have to do everything in actionscript. I set up the data binding like this. BindingUtils.bindProperty(lineSeries, "dataProvider", ser, "pointList"); Here is the way I'm currently trying to append the new data and catch the error, but this does not work. // oldArray is the same as pointlist from the data binding line of code above for (var i:int = 0; i<newArray.length; i++) { oldArray.addItem(newArray.getItemAt(i)); } What's more, because the app is fired remotedly from a server process, I can't trace or run it in debug mode to find out why it's failing. Usually, I'll throw in an Alert.show to find out if the data is messed up or a variable is null, but when I do it after running this loop, the Alert just hangs the whole application. Is there anyway to throw an error to a popup box (flash seems to do this from time to time on its own) And one final related question. If I do get the new arrays to work, will the charts labels and range adjust accordingly. In other words, if the original array was from Mon-Wed, if the new data is on Thurs, will the chart auto adjust properly to show the new data?
