CallResponder|Datagrid|delete item from Database

Question

Hello guys,
I succeeded to display datas from database inside the DataGrid using the CallResponder, but until now I still don't know how can I access to the data that already stored in column in the DataGrid !
the DataGrid Structure is (id, login, password, email, firstname, lastname), and want to access to those datas using the action script
My question, what is the object that already stored these datasin memory? is it "dataProvider", or "data".
When I want to delete a person from the dataGrid, I want to click on the dataGrid and then click the delete button, the button will seek for the "id" stored in the memory and finaly send the query to the server to delete the item token from the data Grid !
example :
I click on the second item in the DataGrid, and this item it's id = "14" so dataGrid.selectedIndex == 2, but the value of the attribute of that item is 14
how can I access to to the values ?
I face this problem because I don't know where the dataGrid does already stores the data that it displays, and what is the structure of it even it is ArrayList or ArrayCollection.
I hope you understood my challenge?

Answer 1

Thank you a lot, that is correct, I executed the application in debug mode and I saw that the dataProvider is already an ArrayCollection, so I can understand that all the method of an Arraycollection is already applyable to the dataProvider.
I didn't know that it is the case, so before you reply me, I was thinking about doing that manually, by pushing the result that come from the CallResponder into an ArrayCollection that is already declared manually in the mxml file, after that adding an event listener and calling a function that is going to make a loop and store all the result into a the ArrayCollection.
Here is the code: (I think it is useful if someone is going to select something manually from the database so he has to do the same thing and filtring the results inthe loop)
Creating Manulally the dataProvider()
Script :
protected function dataGrid_creationCompleteHandler(event:FlexEvent):void
getAllUserResult.token = userService.getAllUser();
getAllUserResult.addEventListener(ResultEvent.RESULT,onResult);
protected function onResult(event:ResultEvent):void
for (var i:int=0 ;i< event.result.length;i++){
userMemory.addItem(event.result[i]);
Mxml File (Declaration) :
<fx:Declarations>
<s:CallResponder id="getAllUserResult"/>
<userservice:UserService id="userService" fault="Alert.show(event.fault.faultString + '\n' + event.fault.faultDetail)" showBusyCursor="true"/>
<s:ArrayCollection id="userMemory"/>
</fx:Declarations>
I must thank you my brother for the answer, and for the fast reply !