dart - bwu_datagrid, lingering sorting indicators after reseting a dataView -


i'm using "dataview" sans groups grid's dataprovider. after reseting dataprovider, last "sorted" column header remains on display along sorting arrow. there way force columns "reset" sorting indicators, etc?

i reset data provider by:

... if(grid != null){    grid.invalidate();    dataview.items = _newdata;    grid.setsortcolumn('', false); } 

the solution i've found far telling grid set '' column sorting column. seems odd have when datagrid knows dataprovider changed.

i'm on: sdk 1.15.0, polymer1.0 1.0.0-rc.17