Display a list of items using *ngFor in a dropdown menu without using the optgroup

Is there a way to group data from *ngFor in the dropdown selection without using optGroup? You can find the JSON file link below: JSON Data

Typescript Code

   getProducts() {
      if (this.products.length < 1) {
        this.productService.getProducts().subscribe(p => {
        this.masterProductAttributeItems = p.MasterProductAttributeItems;
      });
    }

HTML Code

<select class="form-control input-sm">
   <ng-container *ngFor="let thing of masterProductAttributeItems">
      <option value="{{ thing.MasterProductAttributeItemId }}">
        {{ thing.Name }}
      </option>
   </ng-container>
</select>

Current Display

angulartypescript

Answer №1

Due to the lack of uniqueness in the JSON data provided, the code snippet needed modification. Originally, all instances of 'Name' were labeled as 'Weight'. To rectify this issue, the following adjustments were made:

 <option value="{{ thing.MasterProductAttributeItemId }}">
        {{ thing.Name }}
 </option>

was updated to:

<select class="form-control input-sm">
<ng-container *ngFor="let thing of masterProductAttributeItems">

   <option value="{{ thing.MasterProductAttributeItemId }}">
   {{ thing.MasterProductAttributeItem }}
   </option>
</ng-container>

For a live demonstration, please visit the following link:

https://stackblitz.com/edit/angular-xamcuh?file=src%2Fapp%2Fapp.component.html

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