dhtmlxGantt in Laravel not display data

Hi, I develop dhtmlxgantt app using laravel according to dhtmlxgantt tutorial. I am working in localhost with wamp. but when I go to localhost:8000/gantt it was not display database data in gantt form. only dispaly gantt form. can you give me some help to display data on gantt page I successfully created database and tables according to tutorials.


Plase, check the tutorial “Using dhtmlxGantt with Laravel Framework”: