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03.26.2008 at 03:02PM PDT, ID: 23272314
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setting editable combobox to specific value

Tags: Flex
Using the following setup, my combo box almost becomes like an editable text input when I set it as editable however it also has a drop down.
I would like to be able to directly set the value shown in the currently selected combo box item (the item that is shown when the dropdown is not clicked on). Technically the value I want to directly set is already in the list.

Right now the combo box is being populated using XML
var xmlVar:XMLList = e.result.xmlpp.@val;
comboID.dataProvider = xmlVar;      

<mx:ComboBox id="comboID" editable="true"/>

but i want to be able to do something like comboID.value = "a specific item in the list, i know the value";

how can I accomplish this?

Thanks

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Question Stats
Zone: Web Development
Question Asked By: CoreNeter
Solution Provided By: hobbit72
Participating Experts: 1
Solution Grade: A
Views: 58
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03.28.2008 at 12:41AM PDT, ID: 21228557

Rank: Guru

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03.28.2008 at 12:41AM PDT, ID: 21228557

Rank: Guru

heres one way to do it
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<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute" creationComplete="init()">
	<mx:Script>
		<![CDATA[
			[Bindable] private var xmlVar:XMLList;
			 	
			private function init():void
			{
				xmlVar = list;
				setValue('Preview');
			}
			private function setValue( v:String):void
			{
				comboID.selectedIndex = -1;
				for( var i:int = 0; i < comboID.dataProvider.length; i++)
				{
					if( comboID.dataProvider[i].@label == v)
					{
						comboID.selectedIndex = i;
						break;
					}
				}
			}	     
		]]>
	</mx:Script>
    <mx:XMLList id="list">
        <menuitem label="File" />
        <menuitem label="Gallery" />
        <menuitem label="Account" />
        <menuitem label="Preview" />
        <menuitem label="Help" />
    </mx:XMLList>	
    <mx:ComboBox id="comboID" editable="true" labelField="@label" dataProvider="{xmlVar}" />
</mx:Application>
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20080236-EE-VQP-29 / EE_QW_2_20070628