If you remove the pub-sub/filter link, and customize the deployed dashboard, you should be able to add a button to reference the filter, and refresh one grid.
I think the answer on how to refresh a single grid is here:
If you remove the pub-sub/filter link, and customize the deployed dashboard, you should be able to add a button to reference the filter, and refresh one grid.
I think the answer on how to refresh a single grid is here: