ng-bootstrap ngbDropdown not working Angular 4

Question

ng dropdowns are not working.

Note: I followed the answer here and upgraded bootstrap to 4-alpha, yet it\'s not working.

Below is my package.json file:

Answer 1

add ngb modules you use, NgbModule has to be imported....

@NgModule({
  imports: [
        ..,
        NgbModule.forRoot()
   ],
  ...