Update DataTable.php printPreview
Update DataTable.php printPreview

Added column selection for print preview.

Hopefully I did it right this time =P
rafaelqm/laravel-datatables,yajra/laravel-datatables,hotfix31/lumen-datatables,rafaelqm/laravel-datatables,ChaosPower/laravel-datatables,ChaosPower/laravel-datatables