Arraycollections Problem

Hi i'm having some problems with Arraycollections. here is what my intention is and what i'm doing
What i want: I want to send some information from the flex ui to a java class . and save this info in a data base.
What i'm doing:
I'm packing the info into a Arraycollection(it consists of an 2-D integer array and a String array).
Sending it to a java class using remote object. I'm using flex.messaging.io.ArrayCollection package to use Arraycolelction to recieve that data in java class
Problem: I want o extract the integer array and String array from that ArrayCollection so that i can use it to store them in DB.
Am i doing anything wrong?? Is there any alternate way like storing the whole Arraycollection as it is in DB

Hi Bhasker,
thanks for u r reply. Here i attached screen shot of my server "data.result".
My proxy varaible contains
My object varaible "obj" contains
After parsing the result my arraycollection contains, (i mean after converting Object to Array to ArrayCollection) the below information. For information Pl find the attached arraycollection.png image. In the attached image my arraycollection name is "users".
Here i pasted the code that i used to convert "ObjectProxy" to "ArrayCollection"
var proxy:ObjectProxy = ObjectProxy(data.result);
            var obj:Object = proxy.object_proxy::object;
            var arrycoll:Array = ArrayUtil.toArray(obj);
            model.users = new ArrayCollection(arrycoll);
Regards
sss

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I have very simple application trying to understand how to apply MVC without any framework. There are quite a few exemples on the net but most do not deal with complex data.
here is my application with 4 files: MVCtest.mxml, MyController.as, MyModel.as and MyComponent.as
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package model
import flash.events.Event;
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package controller
import components.MyComponent;
import flash.events.Event;
import flash.events.EventDispatcher;
import flash.events.IEventDispatcher;
import model.MyModel;
import mx.collections.ArrayCollection;
import mx.controls.Alert;
import mx.rpc.events.FaultEvent;
import mx.rpc.events.ResultEvent;
import mx.rpc.remoting.RemoteObject;
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public var view:MVCtest;
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<?xml version="1.0" encoding="utf-8"?>
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"
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<fx:Declarations>
<controller:MyController id="control" view = "{this}"/>
</fx:Declarations>
<fx:Script>
<![CDATA[
   import model.MyModel;
   import valueObjects.MyVOorDTO;
   [Bindable]
   private var _model:MyModel = MyModel.getInstance();
]]>
</fx:Script>
<s:VGroup paddingTop="10" paddingLeft="10" paddingRight="10" paddingBottom="10">
<s:Label fontSize="20" fontWeight="bold" text="MVC Test with components"
     verticalAlign="middle"/>
<components:MyComponent/>
</s:VGroup>
</s:Application>
And this is the component: MyComponent.mxml
<?xml version="1.0" encoding="utf-8"?>
<s:Group xmlns:fx="http://ns.adobe.com/mxml/2009"
   xmlns:s="library://ns.adobe.com/flex/spark"
   xmlns:mx="library://ns.adobe.com/flex/mx" width="400" height="300">
<s:layout>
<s:VerticalLayout paddingBottom="10" paddingLeft="10" paddingRight="10" paddingTop="10"/>
</s:layout>
<fx:Declarations>

</fx:Declarations>
<s:Label fontSize="16" fontWeight="bold" text="My Component " verticalAlign="bottom"/>
<s:DataGrid id="myDataGrid" width="100%" height="100%" requestedRowCount="4">
<s:columns>
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    <s:GridColumn dataField="mystring" headerText="String"></s:GridColumn>
    <s:GridColumn dataField="myinteger" headerText="Integer"></s:GridColumn>
    <s:GridColumn dataField="myreal" headerText="Real"></s:GridColumn>
    <s:GridColumn dataField="mydate" headerText="Date"></s:GridColumn>
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</s:columns>
</s:DataGrid>
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CREATE DATABASE mytest;
CREATE TABLE myTestDB
      myid INT UNSIGNED NOT NULL AUTO_INCREMENT,
      mystring CHAR(15) NOT NULL,
      myinteger INT NOT NULL,
      myreal DECIMAL(6,2) NOT NULL,
      mydate DATE NOT NULL,
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) ENGINE = InnoDB;
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<?php
class myVOorDTO
var $_explicitType = "valueObjects.myVOorDTO";
public $myid;
public $mystring;
public $myinteger;
public $myreal;
public $mydate;
public function __construct()
    $this->myid = 0;
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    $this->myreal = 0.0;
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class MytestdbService
var $username = "yourusername";
var $password = "yourpassword";
var $server = "yourserver";
var $port = "yourport";
var $databasename = "mytest";
var $tablename = "mytestdb";
var $connection;
public function __construct()
    $this->connection = mysqli_connect(
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* @return myVOorDTO
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    $result = mysqli_query($this->connection, $query);
    $results = array();
    while ($obj = mysqli_fetch_assoc($result))
      $row = new myVOorDTO();
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      $row->myreal = $obj['myreal'] + 0.0;
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Isn't there a comparable solution for this malfunction?

Problem with checkbox item renderer in datagrid

I have a data grid having check box as an item renderer. I have viewed many posts in this forum but nothing useful in my case. I am failed to bind my datagrid itemrenderer checkbox with the field of dataprovider i.e. listUnitMovement.CHECK_PATH. Then I have to traverse data provider to check which checkboxes are checked.
[Bindable]
var listUnitMovement:XMLList=null;
In a function call
public function init(event:ResultEvent):void
    listUnitMovement=event.result.unitmovement;
     <mx:DataGrid id="dg_country"
                           dataProvider="{listUnitMovement}"
                              enabled="true">
                            <mx:columns>
                               <mx:DataGridColumn>
                                    <mx:itemRenderer>
                                        <mx:Component>
                                            <mx:CheckBox selectedField="CHECK_PATH" />
                                        </mx:Component>
                                    </mx:itemRenderer>
                                </mx:DataGridColumn>
                                <mx:DataGridColumn headerText="Latitude" dataField="NEW_LAT" visible="false"/>
                                <mx:DataGridColumn headerText="Longitude" dataField="NEW_LONG" visible="false"/>
                               <mx:DataGridColumn>
                                    <mx:itemRenderer>
                                        <mx:Component>
                                            <mx:Button label="Details"/>
                                        </mx:Component>
                                    </mx:itemRenderer>
                                </mx:DataGridColumn>
                            </mx:columns>
                        </mx:DataGrid>

Hi,
Do you want to just check/uncheck the checkboxes based on the CHECK_PATH field.
Do you want something like this...
<?xml version="1.0" encoding="utf-8"?><mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute">
<mx:Script>
<![CDATA[
import mx.collections.ArrayCollection;[
Bindable]
private var listUnitMovement:ArrayCollection = new ArrayCollection([{CHECK_PATH:true,NEW_LAT:109.233,NEW_LONG:232.22},{CHECK_PATH:true,NEW_LAT:109.233,NEW_LONG:232.22},{CHECK_PATH:false,NEW_LAT:133.233,NEW_LONG:702.22}]);]]>
</mx:Script>
<mx:DataGrid dataProvider="{listUnitMovement}">
<mx:columns>
<mx:DataGridColumn>
<mx:itemRenderer>
<mx:Component>
<mx:CheckBox selectedField="CHECK_PATH" change="data.CHECK_PATH=selected" />
</mx:Component>
</mx:itemRenderer>
</mx:DataGridColumn>
<mx:DataGridColumn dataField="NEW_LAT"/>
<mx:DataGridColumn dataField="NEW_LONG"/>
</mx:columns>
</mx:DataGrid>
</mx:Application>
Please let me know clearly what's your problem...Do you want to just bind the check box based on XmlList or something else..?
Thanks,
Bhasker Chari.S

Help needed in converting ArrayList to ArrayCollection

I am converting an ArrayList (Java) to ArrayCollection of Flex .
Please help me in this , i dont know whether this is correct approach or not
I have a Created a User VO ActionScript class on flex with two properties as uname , pass .
[Bindable]
        var result:ArrayCollection
private function displayDetails(event:ResultEvent):void
result = event.result as ArrayCollection;
<mx:DataGrid dataProvider="{result}">
                <mx:columns>
                    <mx:DataGridColumn headerText="UserName" dataField="uname"/>
                    <mx:DataGridColumn headerText="Password" dataField="pass"/>
                </mx:columns>
            </mx:DataGrid>
This is from my Java DAO File :
            ResultSet rs = stmt.executeQuery("select NAME , PASS from Users");
            list = new ArrayList();
            while (rs.next()) {
                User user = new User();
                user.setUname(rs.getString(1));
                user.setPass(rs.getString(2));
                list.add(user);
        return list;
With the below code ,the displayed DataGrid is empty with no data , please help me where i am doung wrong
Do i need to do anything more ?? The data is coming well on to the lcds server console .
Please help .

Hi Kiran,
Debugging solves most of the problems that you encounter ......you need to use a lot of debuggung so that you will come to know exactly what's
happening indeed...
So just put a break point at your displayDetails(event:ResultEvent):void function and try to watch the event variable and check the event.result
What is the datatype of the event.result ...Are you getting any data or is it null..???
Please make these observations and let me know...
Thanks,
Bhasker

How to update ArrayCollection at runtime?

Am facing some problem with arraycollection..
am having an arraycolelction like this...
var dpHierarchy:ArrayCollection = new ArrayCollection([
{Region:"Demand1"},
{Region:"Demand2"},
{Region:"Demand3"},
{Region:"Demand4"}]
now what am looking for is.. how to update this
arraycollection at runtime using actions script?
i need to update this array colelction something like this...
var dpHierarchy:ArrayCollection = new ArrayCollection([
{Region:"Demand1", Year:"2008"},
{Region:"Demand2", Year:"2008"},
{Region:"Demand3", Year:"2008"},
{Region:"Demand4", Year:"2008"}]
How to add Year field in to existing arraycollection like
shown in about example..
thanks in advance
Pratap

There are two ways you can do this. One would be setting it
straight like this.
private function updateDP():void {
dpHierarchy[0].Year = "2008";
This will also make it so that every other item in your
ArrayCollection has the Year identifier however nothing will be
filled in for the values. The other way you could do this would be
to user setItemAt which would look like this.
dpHierarchy.setItemAt({Region:"Demand1", Year:"2008"}, 0);
which essentially does the exact same thing except your
setting all the properties of that item instead of just adding the
identifier Year.

Display results of MySQL query from AMFPHP by ArrayCollection in AS3 (Flash CS4)

Hi, i am using Flash CS4 (AS3) + AMFPHP + MySQL to do own flash frontend for Wordpress CMS. Everything is going fine but i`ve got one problem. Problem with properly display of result of query in AS3 by using ArrayCollection.
When i check my service in "amfphp/browser/" in web browser i`ve got this (with all needed data):
(mx.collections::ArrayCollection)#0
filterFunction = (null)
length = 2
list = (mx.collections::ArrayList)#1
length = 2 source = (Array)#2
That is the reason that i suppose that service work fine. Problem is when i try to display result in AS3. In actionscript i have got this:
function getNewsListHandler(result:Object):void{
trace(result);
This function displays: [object Object].
I know that "result" is an ArrayCollection type but i don`t know how to get rows and columns from this. I know that my data is there but i have no idea how to get it.
Clarify: I don`t know how to get to Arrays and simple data variables which are in ArrayCollection.
Could anyone help me with that problem. I would be gratefull
P.S. I tried also change query type in service.PHP for mysql_fetch_query but in that case i`ve got only one row (not all data).

Thanks for fast reply,
arr_coll:ArrayCollection = new ArrayCollection ({col1:"data1",col2:"data2"}, {col1:"data3",col2:"data4"});
you would get the data like
var resultstr:String = arr_coll[1][1].col2;
trace(resultstr);
//results in data4
could you explain me how it was happen (arr_coll[1][1].col2)? It`s not clear to me. I thought in this case rather something like this :
var resultstr:String = arr_coll[1]['col2'];
It should give me "data4". I know it wasn`t but i don`t understand ArrayCollection in level which is needed to use your advice in my case. Could you clarify "arr_coll[1][1].col2" a bit?
What would it look like when you would have something like this:
arr_coll:ArrayCollection = new ArrayCollection ({col1:"data1",col2:"data2"}, {col1:"data3",col2:"data4"},{col1:"data5",col2:"data6"},{col1:"data7",col2:"data8"});
and you would want know f.e. position in ArrayCollection of "data6". How would you code this? arr_coll[1][2].col2?

Arraycollections Problem

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