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I just started working with Angular 2 and TypeScript. I'm having hard time with implementing code for it. My question is how to do sorting option in my dropdown list?

Here is HTML code:

<div class="col-12">
    <select class="form-control" id="type" [(ngModel)]="measure" (change)="getMeasures()">
        <option *ngFor="let option of options" [ngValue]="option.measure">{{option.display}}</option>
      </select>
  </div>

Here is the part of my TypeScript for options:

    options = [
        {
          measure: 'length',
          display: 'Length'
        },
        {
          measure: 'area',
          display: 'Area'
        },
        {
          measure: 'volume',
          display: 'volume'
        },
        {
          measure: 'time',
          display: 'Time'
        },
        {
          measure: 'current',
          display: 'Current'
        },
        {
          measure: 'energy',
          display: 'Energy'
        },

  ]

You can use the Pipe in angular2, say orderBy,

<div class="col-12">
    <select class="form-control" id="type" [(ngModel)]="measure" (change)="getMeasures()">
        <option *ngFor="let option of options | orderBy : 'measure'" [ngValue]="option.measure">{{option.display}}</option>
      </select>
  </div>

DEMO

PHP - Sorting directory alphabetically on drop down list, How do I sort a drop down list in alphabetical order in HTML? Perhaps there is a better solution, but if sorting the data is not an option, you may need to create a 2nd, automatically updated list, based on the first one - that also automatically sorts alphabetically. See example given in the link below Create a drop down list containing alphabetically sorted values in excel | Get Digital Help - Micros…

The accepted answer is no longer valid. According to the docs at https://angular.io/guide/pipes

Appendix: No FilterPipe or OrderByPipe Angular doesn't provide pipes for filtering or sorting lists. Developers familiar with AngularJS know these as filter and orderBy. There are no equivalents in Angular.

This isn't an oversight. Angular doesn't offer such pipes because they perform poorly and prevent aggressive minification. ... While some may not care to minify this aggressively, the Angular product shouldn't prevent anyone from minifying aggressively. Therefore, the Angular team decided that everything Angular provides will minify safely.

The Angular team and many experienced Angular developers strongly recommend moving filtering and sorting logic into the component itself.

How to Make Sortable Headings in Excel, How do I sort a drop down list in alphabetical order in PHP? A Combo Box gets its data from either a Table (in which case the order is whatever Access finds convenient) or a Query (which you can sort yourself). Click the icon by the Row Source property of your combo box, and accept Access' offer to create a Query.

Sorting pipe is applied see https://angular.io/guide/pipes

<option *ngFor="let option of options | orderBy:'measure'" [ngValue]="option.measure">{{option.display}}</option>

Create a drop down list containing alphabetically sorted values, . If it is set to SCANDIR_SORT_NONE then the result is unsorted. 4 Ways to Sort Drop Down Lists 1. Sorting Drop Down Lists with a VBA Macro. 2. Sorting Drop Down Lists with the List Search Add-in. 3. Sorting Drop Down Lists Using Power Query.

Sort Dropdown List Alphabetically Using jQuery, How do you sort a drop down list in Excel? I'm populating a dropdown through the use of ng-options which is hooked to a controller that in turn is calling a service. Unfortunately the data coming in is a mess and I need to be able to sort it alphabetically. You figure that something like $.sortBy would do it but unfortunately it didn't do jack.

Sorting select options, This article describes how to create a drop-down list populated with sorted values from A to Z. The sorted list is dynamic and it adds new values as you type them  Let the database engine do the work of sorting. However, sometimes you want some other sort order besides alphabetical. For example, you might want a logical sequence like: New, Open, In Progress, Completed, Approved, Closed. In that case, you could add a column to the database table to explicitly set the sort order.

Auto sort Dropdown list options in (Alphabetical Order), $(function() { // choose target dropdown. var select = $('select'); select. html(select. find('option'). sort(function(x, y) { // to change to descending order switch "<" for ">" return $(x). text() > $(y). text() ? 1 : -1; })); // select default item after sorting (first item) On the Home tab, in the Editing group, click Sort and Filter > Filter. Small drop-down arrows will appear in each of the column headers. Click the drop-down arrow for the column you want to put in alphabetical order, and select Sort A to Z:

Comments
  • Clarify your question and the problem you are facing. On which metric do you want to sort ?
  • @Abrar I will like to sort them when I click on dropdown so they will be in aphabetical order in my list. So first will be Area then Current etc.
  • @pooh098 did you check my naswer