SMART datagrid v.1 > Classes > DataSet
If specify as true, you can Undo/Redo the changed values by calling data set API.
If change this property during run time, the existing Undo stack will be initialized. In other words, the existing update history will not be Undone.
Defaults to false.
$("chkUndo").click = function () {
grid.setUndoable(this.checked);
ds.setUndoable(this.checked);
});