public function datatables()
{
$data = Marca::Datatables()->get();
return Datatables::of(collect($data))->editColumn('nombre', function ($data) {
return '<a href="marca/' . $data->id . '" >' . $data->nombre . '</a>';
})->addColumn('action', function ($data) {
return '<a href="marca/' . $data->id . '/edit" class="btn btn-xs btn-primary">Edit</a>' . ' / <form method="POST" action="http://localhost/inventario/marca/ ' . $data->id . '" accept-charset="UTF-8" style="display:inline"><input name="_method" type="hidden" value="DELETE"><input name="_token" type="hidden" value="' . csrf_token() . '"><button type="submit" class="btn btn-danger btn-xs">Borrar</button></form>';
})->make(true);
}