The way I accomlished this was by sub-classing ComboBox, to take a value as a parameter and set the selectedIndex accordingly. Ben Forta has an example of this somewhere on his website.
Jeff -----Original Message----- From: [email protected] [mailto:[EMAIL PROTECTED] On Behalf Of gur_sukh Sent: Wednesday, February 06, 2008 1:02 PM To: [email protected] Subject: [flexcoders] Re: Setting combobox selectedindex No this is not the scenario i want to have initially a value selected when the combobox is shown. --- In [email protected], Scott Melby <[EMAIL PROTECTED]> wrote: > > It seems you are asking how to change your code so that your combo box > selectedIndex property gets updated each time your model changes. For > demo purposes you could just do something like the following: > > /** > * Returns the index of the > */ > private function getSelectedProductSubTypeIndex(selectedProduct:Product):int > { > //TODO: in real system search the selectedProduct for the correct > sub type and return correct index > //the thing to search for could be passed as a param as well > return 1; > } > > <mx:ComboBox id="productSubTypeCB" width="160" > > dataProvider="{selectedProduct.typeNames}" > selectedIndex="{this.getSelectedProductSubTypeIndex(selectedProduct)}" > change="productOffer.productSubType = event.currentTarget.value" /> > > > Assuming your productType member is Bindable this method will get > triggered (due to it having a parameter that is bindable) every time an > assignment is made to productType (like your model changes), since it > always returns 1 your selected index will be set for you. > > hth > Scott > > Scott Melby > Founder, Fast Lane Software LLC > http://www.fastlanesw.com > > > > gur_sukh wrote: > > > > > > The combobox dataprovider sets selectedindex to 0. How do we set it > > to something else. > > > > AS the dataprovider is bound to model and every time it changes the > > selected index is 0. > > > > For demo purposed i need to set this to 1. > > > > <mx:ComboBox id="productSubTypeCB" width="160" > > dataProvider="{selectedProduct.typeNames}" > > selectedItem="1" > > change="productOffer.productSubType = event.currentTarget.value" /> > > > > > -- 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
