dart - Two BwuDatagrids on one page -

i have polymer paper layout paper-drawer-panel , 2 polymer components contains bwudatagrid elements. , troubles when 2 components bwu-datagrid tags rendered on 1 page:

but if didn't render component in paper-drawer-panel it's worked so:

what can be? , how can fix that?

this known issue. there pull request https://github.com/bwu-dart/bwu_datagrid/pull/112 planned implement bit differently. didn't yet :-/

thanks using bwu datagrid btw :)