บังคับให้อัปเดต View ตอนเปิดmodal

src/app/components/company-registration/branch-business-unit/department-list/department-list.component.ts

-import { Component, EventEmitter, Input, OnInit, } from '@angular/core';
+import { ChangeDetectorRef, Component, EventEmitter, Input, OnInit, } from '@angular/core';
 import { ToastrService } from 'ngx-toastr';
 import { Bu1Model, MyBu1Model } from 'src/app/shared/model/bu1.model';
 import { Bu2Model, MyBu2Model } from 'src/app/shared/model/bu2.model';
@@ -37,7 +37,8 @@ export class DepartmentListComponent implements OnInit {
   currentModal = ""
   constructor(private bu2Service: Bu2Service,
     private bu1Service: Bu1Service,
-    private toastr: ToastrService
+    private toastr: ToastrService,
+    private cdr: ChangeDetectorRef
   ) { }
   ngOnInit(): void {
     this.getBu2List()
@@ -64,6 +65,7 @@ export class DepartmentListComponent implements OnInit {
     if (this.bu2.parent) {
       this.bu1Service.getById(this.bu2.parent).subscribe(response => {
         this.bu1 = new MyBu1Model(response)
+        this.cdr.detectChanges()
       })
     }
   }