[flexcoders] DataGrid---crushing of DataProvider--how to cancat the last contain of DataProvider with an other one ??? :( :(

[Nini7016 Nini7016]

Hello 

I create a DataGrid like this : 

          <mx:Panel title=" Handing Data" height="100%" width="100%" 
              paddingTop="10" paddingLeft="10" paddingRight="10">

        <!--<mx:Label width="100%" color="blue"
             text="Select a row in the DataGrid control."/>-->

        <mx:DataGrid id="dg" name="dataGrid" width="100%"  editable="true" 
resizableColumns="true" >
            <mx:columns>
                <mx:DataGridColumn dataField="variable" headerText="Variable"  
/>
                <mx:DataGridColumn dataField="type" headerText="Type" />
                <mx:DataGridColumn dataField="value" headerText="Value"  />
                <mx:DataGridColumn dataField="operation" headerText="Operation" 
/>
            </mx:columns>
        </mx:DataGrid>

        <mx:HBox width="100%" height="100%">
            <mx:Button name="validate" label="Validate" />
            <mx:Button name="cancel" label="Cancel" />
            <mx:Button name="add" label="Add Data"  
click="{fillDataGridData2(start)}"/>        
        </mx:HBox>

    </mx:Panel>

when i click in the button add in order to add the date, it crush the last one 
:( :( 

There is the implémentation of my function fillDataGridData2(): 
            // fill the Grid Data
            private function fillDataGridData2(figure : GraphicalFigure ):void
            {    
                var handData : ArrayCollection = new ArrayCollection();
                var collection : ArrayCollection = figure.getListDataAtt();
                var bpmnData : BpmnDataComponent;

                for(var count:int = 0; count < collection.length; count++)
                {
                    bpmnData = collection.getItemAt(count, 0) as 
BpmnDataComponent;

                    handData.addItem({variable : bpmnData.Variable, type: 
bpmnData.Type, value: bpmnData.Value, operation:'operation' });
                }

                dg.dataProvider = handData;            
            } 
 Is there any metho 'add to dataProvider' in order to concat the last contain 
of DataProvider and the newest one ??


Any help please :( :( 

Thank you very much :( :( 



                                          
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