It code looks like it should work. The only thing that I see as a possible problem is that AS is asyncronous. myDP.addItem(item) might not be complete before calculateTotal() is called. You might have to create a setter for the ArrayCollection that triggers calculateTotal().
-TH --- In [email protected], "Tracy Spratt" <[EMAIL PROTECTED]> wrote: > > It looks ok, what exactly is not working? > > > > Do the myDP[i].price and myDP[i].quantity expressions trace out values > in the loop? > > > > Tracy > > > > > > ________________________________ > > From: [email protected] [mailto:[EMAIL PROTECTED] On > Behalf Of s_hernandez01 > Sent: Tuesday, July 18, 2006 3:04 PM > To: [email protected] > Subject: [flexcoders] Actionscript Help > > > > Hey could anyone tell me why this actionscript function does not work? > I want to try and total the prices of all the items that get put into > my shopping cart. > > <mx:Script> > <![CDATA[ > import mx.collections.ArrayCollection; > import mx.events.IndexChangedEvent; > import mx.formatters.CurrencyFormatter; > import mx.effects.*; > import mx.core.*; > import mx.controls.NumericStepper; > > [Bindable] > public var myDP:ArrayCollection = new ArrayCollection(); > [Bindable] > public var total:Number = 0; > > public function addItem(item:Object):void{ > myDP.addItem(item); > calculateTotal(); > } > > private function calculateTotal():void{ > for (var i:int=0; i < myDP.length; i++) { > total += myDP[i].price * myDP[i].quantity; > } > } > ]]> > </mx:Script> > > <mx:DataGrid width="100%" textAlign="center" height="100%" > id="content" dropEnabled="true" dataProvider="{myDP}"> > <mx:columns> > <mx:DataGridColumn headerText="" dataField="image" > itemRenderer="mx.controls.Image" width="25"/> > <mx:DataGridColumn headerText="Product" dataField="name"/> > <mx:DataGridColumn id="productQuantity" headerText="Qty" > dataField="quantity" rendererIsEditor="true" > itemRenderer="mx.controls.NumericStepper" editorDataField="value"/> > <mx:DataGridColumn id="productPrice" headerText="Price" > dataField="price"/> > </mx:columns> > </mx:DataGrid> > > <mx:Form verticalGap="0" paddingRight="0" borderStyle="outset"> > > <mx:FormItem label="Total:" color="#ffffff" borderStyle="inset"> > > <mx:Label id="extPrice" width="70" text="{total}" textAlign="right"/> > > </mx:FormItem> > </mx:Form> > ------------------------ Yahoo! Groups Sponsor --------------------~--> Something is new at Yahoo! Groups. Check out the enhanced email design. http://us.click.yahoo.com/SISQkA/gOaOAA/yQLSAA/nhFolB/TM --------------------------------------------------------------------~-> -- 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/
