I found success in these cases using dataChange, see http://blog.dougco.com/coding/flex/datagrid-with-multiple-pulldowns/ for more details.
-d --- In flexcoders@yahoogroups.com, [EMAIL PROTECTED] wrote: > > Hi Friends .. > > I am writting a simple code in which i have one datagrid with two coloumns . in first coloumn iam using combobox as itemrenderer. > but this combobox is working abnormally when more and more item are added to the grid or when scroll bar appears . > some one told me that this problem is solved in flex 3 but it is not . > i have compiled and run this code on three version of flex i.e Flex 2.0.1 ,Flex 2.0.1(Hot Fix Three), > and Flex Three. > But the application is behaving in different ways in both version . plz help me to find the problem. > i am sharing my code with u plz run it and help me > > <!-- Application.mxml --> > <?xml version="1.0"?> > <!-- dpcontrols/DataGridSpecifyColumns.mxml --> > <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"; creationComplete="{init()}" > > > > <mx:Script> > <![CDATA[ > import mx.collections.ArrayCollection; > [Bindable] > public var gridDataProvider:ArrayCollection; > public function init():void > { > gridDataProvider = new ArrayCollection(); > var del:Object = new Object(); > del.name = ''; > del.price = ''; > gridDataProvider.addItem( del ); > } > ]]> > </mx:Script> > <mx:DataGrid id="grid" selectable="false" dataProvider="{gridDataProvider}" > > <mx:columns> > <mx:DataGridColumn dataField="name" > itemRenderer="ComboBoxRend"/> > <mx:DataGridColumn dataField="price" /> > > </mx:columns> > </mx:DataGrid> > > </mx:Application> > > <!-- ComboBoxRend.mxml--> > <?xml version="1.0" encoding="utf-8"?> > <mx:ComboBox dataProvider="{autoCompProvider}" labelField="name" creationComplete="{init()}" xmlns:mx="http://www.adobe.com/2006/mxml"; width="50" paddingRight="5" paddingLeft="5" xmlns:fc="*" close="{closeEventHandler()}" > > <mx:Script> > <![CDATA[ > import mx.collections.ArrayCollection; > import mx.controls.Alert; > public function closeEventHandler():void > { > data.name = this.selectedLabel ; > data.price = this.selectedItem.price; > var emptyRow:Object = new Object(); > emptyRow.name = ''; > emptyRow.price = ''; > ComboboxTest(this.parentApplication).gridDataProvider.addItem( emptyRow ); > } > [Bindable] > public var autoCompProvider:ArrayCollection; > public function init():void > { > autoCompProvider = new ArrayCollection(); > > var emptyRow:Object = new Object(); > emptyRow.name = ''; > emptyRow.price = ''; > autoCompProvider.addItem( emptyRow ); > > > var del:Object = new Object(); > del.name = 'DELL'; > del.price = 100; > autoCompProvider.addItem( del ); > > var msft:Object = new Object(); > msft.name = 'MSFT'; > msft.price = 200; > autoCompProvider.addItem( msft ); > > var mot:Object = new Object(); > mot.name = 'MOT'; > mot.price = 300; > autoCompProvider.addItem( mot ); > > > > var yahoo:Object = new Object(); > yahoo.name = 'Yahoo'; > yahoo.price = 400; > autoCompProvider.addItem( yahoo ); > > > > > } > > ]]> > </mx:Script> > </mx:ComboBox> > > > Thanks Parkash Arjan...... >
