Well, you could try a binding expression like
{ dp.length == 0 ? null : dp }
On 8/3/15, 10:59 AM, "mark goldin" <[email protected]> wrote:
>This is a typical code to set a dataprovider:
>public function set dataProvider(value:Object):void
>{
>if (value)
>{
>grid.dataProvider = value;
>}
>}
>Execution gets into this code twice. First when value is null, and second
>when it's not null. Well, it's not null but still has no data. Is it
>possible to only assign a data provider when there are actual rows? The
>reason I am thinking of doing it is because I want to add a column to
>dataProvider from another arrayCollection.
>
>Any idea?
>
>Thanks