Gantt chart multi select not working in react js

gantt chart multi select function is not working in react js

To activate multiselect function, you need to connect multiselect extension. To do that, add the following string into the Gantt.js file:

import 'dhtmlx-gantt/codebase/ext/dhtmlxgantt_multiselect.js'

Here is the demo:

If that doesn’t help you, please send me your react package and I will see what might be wrong.