If you do not supply a GridDataModel, the Grid component generates one from
the first object in its source. I believe this is documented in its
JavaDoc..
On Sunday, November 4, 2012, membersound wrote:
> Can a list for a t:grid contain several implementations of an object? I
> just
> want to make sure the following is in general possible?
>
>
> class Fruit;
> class Apple extends Fruit
> class Banana extends Fruit
>
> <t:grid source="fruits" row="fruit"/>
>
> class Page {
> List<Fruit> fruits;
> Foo fruit;
> }
>
> Result atm:
> Render queue error in BeginRender[Page:grid_0.rows.gridcell]:
> Banana cannot be cast to Apple.
>
>
>
> --
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