Display the pre-selected option in mat-select in an Angular application

Need help with displaying the selected option in mat-select using Angular 11. The scenario is as follows: I have a field named Idefault, and the condition is, if type.Idefault == true, then show the value as the selected option in mat-select.

An image has been included for your reference:

https://i.sstatic.net/f5DM3.png


             <div class="col-sm-6 has-select pr-3">
                  <mat-form-field appearance="fill" class="pt-1 no-border">
                    <mat-select formControlName="source"  [(ngModel)]="selectedBatchSource" (selectionChange)="changeClient($event.value)" >
                      <mat-option *ngFor="let type of data$ | async"  [value]="type.ctype">
                        {{type.ctype}}
                      </mat-option>
                    </mat-select>
                  </mat-form-field>
                </div>

Answer №1

 this.heroForm = new FormGroup({
    source: new FormControl('set your initial value here')
     
    ]),
Implementing reactive forms in this manner may be beneficial.

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