please see and use combox.selectedIndex= -1
this will be useful for u
Regards,
Pradeep
On Tue, Feb 23, 2010 at 2:44 AM, Ars <mdar...@gmail.com> wrote:
> Hello Experts,
>
> I have following piece of code from main mxml and below that I have
> component code for Combobox. Please let me know what is wrong in my
> code. It wipe the value once I select values from combo box. I am
> using label function to decode values as Yes/No when populating Data
> Grid from the database. Also I will appreciate if I get a standard way
> to display Yes/No list to display and store values(Y/N) in database.
> My code is based on various examples given on this topic. Sorry if I
> have made the Code-cocktail.
>
> Thanks a lot.
> Arshad
>
> main.mxml
> ---------------------
> [Bindable] private var queryData:ArrayCollection = new
> ArrayCollection();
> ------
> ------
> <mx:DataGrid id="dgGrid" width="644" dataProvider="{queryData}"
> height="270" editable="true" >
> ------
> -----
> <mx:DataGridColumn width="175" textAlign="center"
> headerText="Tax"
> sortable="false"
> dataField="tax"
> labelFunction="taxLabel"
> editable="true"
> editorDataField="value"
> itemEditor="yesNoComboBox">
> </mx:DataGridColumn>
>
> ---------------------------------Item Render yesNoComboBox ----------
> <mx:VBox xmlns:mx="http://www.adobe.com/2006/mxml";
>
>
> implements="mx.controls.listClasses.IDropInListItemRenderer,mx.managers.IFocusManagerComponent">
>
> <mx:Script>
> <![CDATA[
> import flash.events.Event;
> import mx.controls.DataGrid;
>
> private var _listData:DataGridListData;
> // Define a property for returning the new value to the
> cell.
> [Bindable]
> public var value:Object ;
>
> // Implement the drawFocus() method for the VBox.
> override public function drawFocus(draw:Boolean):void {
> cbo.setFocus();
> }
>
> override public function get data():Object {
> return super.data;
> }
>
> /* override public function set data(value:Object):void {
> cbo.data=value[_listData.dataField];
> } */
>
> override public function set data(value:Object):void
> {
> if(value != null)
> {
> super.data = value;
> // set itemRenderer’s state based on
> data value
> cbo.selectedItem = value;
> }
> }
> public function get listData():BaseListData
> {
> return _listData;
> }
>
> public function set listData(value:BaseListData):void
> {
> _listData = DataGridListData(value);
> }
>
> public function changeHandler(event:Event):void
> {
> trace(String(cbo.selectedItem))
> data.selected=String(cbo.selectedItem);
>
> IList(DataGrid(owner).dataProvider).itemUpdated(cbo.selectedItem);
> }
>
>
> ]]>
> </mx:Script>
> <mx:Binding destination="value" source="cbo.value"/>
>
> <mx:ComboBox id="cbo" editable="true" width="100%"
> dataChange="changeHandler(event)"
> creationComplete="cbo.selectedItem = data.selected" >
> <mx:dataProvider>
> <mx:String>Yes</mx:String>
> <mx:String>No</mx:String>
> </mx:dataProvider>
> </mx:ComboBox>
> </mx:VBox>
>
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