Can you Plz tell me or if possible send me the code how to get
cities popualted in combo box when state is selected from another
combo box.
--- In flexcoders@yahoogroups.com, "bsd" <[EMAIL PROTECTED]> wrote:
> I have built a custom City/State/Zip component to use throughout an
> application and, hopefully, throughout multiple applications.
>
>
>
> It consists of three ComboBoxes; if the user selects the state, it
populates
> the city ComboBox with the cities for that state pulled from a
database.
> Once the user selects a city, the zip codes for that city are then
populated
> in the third ComboBox. It also works in reverse where the user
can type in
> the zip code in the editable ComboBox and the State and City
ComboBoxes are
> populated and selected with the appropriate data.
>
>
>
>
>
> Okay, all that's working. The application at hand is one where
the user
> creates an event and selects the hotel for that event. Right now
I'm
> dealing only with the hotel data. There is a panel to list all
the hotels
> in the database and a panel to edit that hotel's data (along with
panels for
> adding hotels, etc.).
>
>
>
> The application has a model to hold the data for the particular
hotel being
> dealt with (
>
> <mx:Model id="HotelToEdit">{roHotels.getHotel.result._items[0]}
</mx:Model>)
>
>
>
>
>
> I have the custom component dropped into my application on an
edit form
> with the id="editCityStateZip" and the data passed in so that is
looks like:
>
>
>
> <CityStateZip id="editCityStateZip"
state="{HotelToEdit.HotelState}"
> city="{HotelToEdit.HotelCity}" zip="{HotelToEdit.HotelZip}" />
>
>
>
> The user selects the hotel from the first panel, clicks a button
that calls
> the RemoteObject (roHotels) that is used to pull the hotel data
from the
> database and is directed to the Edit panel.
>
>
>
> Now, all of this is working so far. However, when the user goes
back to the
> main panel that lists all the hotels, selects a new hotel, clicks
the button
> and is sent back to the edit panel, all the data in that edit
panel is
> updated except for the that in the CityStateZip component.
>
>
>
> I've created a test function within the custom component to trace
the data
> values for the city, state and zip variables and the correct ones
are there
> in the component. It just seems that the function that picks the
state in
> the state ComboBox, fn_pickState(stateName), (as this is the one
that drives
> the others) gets fired before the data in model is changed or
doesn't get
> fired after the initialization of the ComboBox. I call this
function using
> the modelChanged event handler of the state ComboBox. I'm also
calling it
> using the resultHandler attribute of my RemoteObject. I've also
tried
> calling it with the function that loads the data for the edit
panel and
> using the valueCommitted method of the state ComboBox. None of
these are
> working.
>
>
>
> What am I missing here? How do I call my function after the data
has been
> returned from the database and loaded into my data model? I'm
getting a
> huge headache from banging my head against the wall for two days!
>
>
>
> Please help!
>
>
>
> Thanks in advance,
>
> Brad
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