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I work on a web application with ASP.NET Core 6 and Angular 13.

This application displays a list of items successfully without any issue.

My issue How to Add Previous and Next buttons Pagination using Angular 13?

What I have tried:

What I tried is:

(1) Create Web API action to display all items

public async Task<IActionResult> GetAll(int pageNumber = 1)
{
    var allitems = _iitem.GetAllItems();

    var result = _pageHelper.GetPage(allitems.AsQueryable(), pageNumber);

    var itemsdata = new ItemsPageViewModel
            {
                items = result.Items,
                Pager = result.Pager
            };

    return Ok(itemsdata);
}
When I call this action method, it returns json data as shown here:

{
    "items": [
        {
            "id": 3,
            "itemNameER": "قلم",
            "itemNameEN": "pen",
            "description": "1"
        },
        {
            "id": 4,
            "itemNameER": "قلم",
            "itemNameEN": "pencil",
            "description": null
        },
        {
            "id": 5,
            "itemNameER": "قلم",
            "itemNameEN": "pen2",
            "description": null
        }
    ],
    "pager": {
        "numberOfPages": 1,
        "currentPage": 1,
        "totalRecords": 3
    }
}
(2) In Angular 13, I created a service in service.ts:

export class ErpServiceService {

  constructor( private http: HttpClient ) { }

  getAll(): Observable<any> {
    return this.http.get(baseUrl);
  }

(3) I created a component items logic in component.ts:

ngOnInit(): void {
    this.retrieveAllItems();
  }
 
 retrieveAllItems(): void {
  this.erpservice.getAll()
    .subscribe(
      data => {
        // Here you need to assign the array inside the data-object:
        this.items = data.items;
        console.log(data);
      },
      error => {
        console.log(error);
      });
}
(4) I created a component view component.html:

<table id="customers">
  <tr>
      <th>Id</th>
      <th>ItemNameAR</th>
      <th>ItemNameEN</th>
      <th>Description</th>
  </tr>
  <tr *ngFor="let item of items">
      <td>{{item.id}}</td>
      <td>{{item.itemNameAR}}</td>
      <td>{{item.itemNameEN}}</td>
      <td>{{item.description}}</td>
  </tr>
</table>
How to apply Previous and Next Buttons pagination on item rows displayed on Angular 13?
Posted
Updated 30-Dec-22 17:42pm

1 solution

Web seems to have many examples like: Angular 13 Pagination example (server side) with ngx-pagination - BezKoder[^]

Above article demonstrates example using ngx-pagination provides NgxPaginationModule for displaying pagination with numbers and responsive style.

There are 2 main things that you would need to do:

1. PaginatePipe: placed at the end of an ngFor expression
HTML
<your-element *ngFor="let item of collection | paginate: { id: 'foo',
                                                          itemsPerPage: pageSize,
                                                          currentPage: page,
                                                          totalItems: total }">...</your-element>
Use the id if you need to support more than one instance of pagination at a time.

2. PaginationControlsComponent: a default component for displaying pagination controls
HTML
<pagination-controls></pagination-controls>
 
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