use the correct element ID in the aria-labelledby attribute
Update TbGridView.php

Correction of sort columns (column headers)
Merge pull request #71 from iriscrm/master

Correction of table column headers
Merge pull request #63 from Jalle19/fix-aria-labelledby-id

use the correct element ID in the aria-labelledby attribute
Improve detail, list and grid view widgets
Merge branch 'master' of https://github.com/Crisu83/yiistrap
Fix empty style for the list view widget