It finally seems to have loop through the entire arraycollection. Thanks a lot to vinu, jeffry, mark, tracy and everyone for their help and suggestions... :)
--- In [email protected], "vin.flex" <vin.f...@...> wrote: > > Hi there, > > You can use the following code: > > <?xml version="1.0" encoding="utf-8"?> > <mx:ComboBox xmlns:mx="http://www.adobe.com/2006/mxml";> > <mx:Script> > <![CDATA[ > private var _selectedValue:String; > private var bSelectedValueSet:Boolean = false; > private var bDataProviderSet:Boolean = false; > > // Override committ, this may be called repeatedly > override protected function commitProperties():void > { > // invoke ComboBox version > super.commitProperties(); > > // If value set and have dataProvider > if (bSelectedValueSet && bDataProviderSet) > { > // Set flag to false so code won't be called until > selectedValue is set again > bSelectedValueSet=false; > // Loop through dataProvider > for (var i:int=0;i<this.dataProvider.length;i++) > { > // Get this item's data > var item:String = this.dataProvider[i].FIELDNAME; > > // Check if is selectedValue > if(item == _selectedValue) > { > // Yes, set selectedIndex > this.selectedIndex = i; > break; > } > } > } > } > > // Trap dataProvider being set > override public function set dataProvider(o:Object):void > { > // invoke ComboBox version > super.dataProvider = o; > > // This may get called before dataProvider is set, so make sure > not null and has entries > if (o!=null && o.length) > { > // Got it, set flag > bDataProviderSet = true; > } else > bDataProviderSet = false; > } > > // set for selectedValue > public function set selectedValue(s:String):void > { > // Set flag > bSelectedValueSet = true; > // Save value > _selectedValue = s; > // Invalidate to force commit > invalidateProperties(); > } > ]]> > </mx:Script> > > </mx:ComboBox> > > > > create this as a reusable component and use this instead of regular > combobox: > > 1) Make sure to replace "FIELDNAME" in the above code with the name of the > field in the dataprovider. > > 2) Instead of selectedindex use comboboxId.selectedValue = "Value you want to > ser". > > this will solve your problem. > > > vin. >
