limited CheckboxModel

[dascoco]

Hallo,
I've a Grid with CheckboxModel and I would limited the selection of two selections/rows. How can I limited this?

thanks for help

[mitchellsimoens]

If you return false in the beforeselect event it will stop the selection.

[dascoco]

thanks, but how I can return false in the beforeselect?

[mitchellsimoens]

grid.on('beforeselect', function(selModel, rec) {
return selModel.getCount() < 2;
}, grid);

[dascoco]

thanks for your help

[dascoco]

An how can I deselected the first selection when trying to select more.