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POProblems adding new rows to mx DataGrid
 

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  1. POProblems adding new rows to mx DataGrid
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    <p>I'm using mx:DataGrid and I cannot change to spark (it's a legacy project). The DataGrid is editable and when the users get in the last column I want to add a new column and start the edit mode in the first column of the new row. I can do this. </p> <p>My problem is that sometimes the last column cannot be edited, so I added an itemEditBeginning listener to stop the edit and add the new row. That's my problem. When the user get in the last field, the new row is added but I cannot see it. I have to click in the column header to sort datagrid data, then the new rows appears. It's kind of a delay.</p> <p>My code is bigger, but this simple code can reproduce the same problem:</p> <pre><code>&lt;s:Application xmlns:fx="http://ns.adobe.com/mxml/2009" xmlns:s="library://ns.adobe.com/flex/spark" xmlns:mx="library://ns.adobe.com/flex/mx" creationComplete="application1_creationCompleteHandler(event)" minWidth="955" minHeight="600"&gt; &lt;fx:Script&gt; &lt;![CDATA[ import mx.collections.ArrayCollection; import mx.events.CollectionEvent; import mx.events.CollectionEventKind; import mx.events.DataGridEvent; import mx.events.FlexEvent; [Bindable] public var itens:ArrayCollection; protected function application1_creationCompleteHandler(event:FlexEvent):void { itens = new ArrayCollection(); itens.addEventListener(CollectionEvent.COLLECTION_CHANGE, onCollectionChange); itens.addItem({a: '1', b: '2'}); } protected function onCollectionChange(event:CollectionEvent):void { if (event.kind == CollectionEventKind.ADD) { var row:int = itens.length - 1; var column:int = 0; var args:Array = [row, column]; callLater(moveTo, args); } } protected function moveTo(row:int, col:int):void { itensDg.editedItemPosition = { rowIndex:row, columnIndex:col }; } protected function addInfo():void { itens.addItem({a: '10', b: '20'}); } protected function itensDg_itemEditBeginningHandler(event:DataGridEvent):void { if (event.columnIndex == 1) { event.preventDefault(); addInfo(); } } ]]&gt; &lt;/fx:Script&gt; &lt;mx:DataGrid id="itensDg" dataProvider="{itens}" editable="true" itemEditBeginning="itensDg_itemEditBeginningHandler(event)" /&gt; &lt;/s:Application&gt; </code></pre> <p>Any tips about how to solve this?</p> <p>Thanks.</p>
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