I can't change event status when page opening in flutter - flutter

Question

I am new to FLutter. I am using Bloc pattern as a design pattern.
When clicked a button or text changed I successfully changed the event of the bloc.
But I need to get data when the page opens and bind it to a list.
I don't know how can I change the bloc event to do that?
I've tried to add BlocBuilder in InitState but it didn't work.
here is my code.
class OrderListWidget extends StatefulWidget {
const OrderListWidget({Key? key}) : super(key: key);
#override
_OrderListWidgetState createState() => _OrderListWidgetState();
}
class _OrderListWidgetState extends State<OrderListWidget> {
late List<WorkOrder> workOrderList;
#override
Widget build(BuildContext context) {
return BlocProvider(
create: (context) => WorkOrderBloc(
workOrderRepo: (context).read<WorkOrderRepository>(),
type: WorkOrderType.mt),
child: BlocListener<WorkOrderBloc, WorkOrderState>(
listener: (context, state) {
final formStatus = state.formStatus;
if (formStatus is FormSubmitting) {
LoadingDialog.openLoadingDialog(context, 'Please Wait');
} else {
if (formStatus is! InitialFormStatus) {
LoadingDialog.closeLoadingDialog(context);
}
if (formStatus is SubmissionFailed) {
SnackbarWidget.show(
context, formStatus.exception.toString(), Colors.red);
}
if (formStatus is SubmissionSuccess) {
setState(() {
workOrderList = state.workOrderList!;
});
}
}
},
child: BlocBuilder<WorkOrderBloc, WorkOrderState>(
builder: (context, state) {
return _myListView(context);
},
),
),
);
}
#override
initState() {
context
.read<WorkOrderBloc>()
.add(WorkOrderListing(orderType: WorkOrderType.mt));
super.initState();
}
}
Widget _myListView(BuildContext context) {
var selected = false;
return ListView.builder(
itemCount: workOrderList.length,
itemBuilder: (context, index) {
return Card(
child: CheckboxListTile(
value: selected,
onChanged: (value) {
setState() {
selected = value!;
}
},
title: Text(workOrderList[index].Name),
),
);
},
);
}

Answer 1

I found the way:
return BlocProvider(
create: (context) => WorkOrderBloc(workOrderRepo: WorkOrderRepository())
..add(PickingOrderListing()),
child: BlocListener<WorkOrderBloc, WorkOrderState>(
listener: (context, state) {
....
}
)
using
..add(YOUR EVENT)
after the BlocProvider worked.