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Aryan Kumar

Aryan Kumar

02-Sep-2023

Pagination and sorting are two common features that are used in REST APIs. Pagination allows you to retrieve a limited number of results from a large dataset, while sorting allows you to order the results in a specific way.

To handle pagination and sorting in the response of a .NET Core API, you can use the PagedList class. The PagedList class is a generic class that can be used to represent a paginated result set.

The PagedList class has a number of properties that you can use to control the pagination and sorting of the results. These properties include:

  • PageNumber: The current page number.
  • PageSize: The number of results per page.
  • TotalPages: The total number of pages.
  • TotalCount: The total number of results.
  • Sort: The sort order.

To use the PagedList class, you need to first create a PagedList object. You can do this by passing the data source, the page number, and the page size to the PagedList constructor.

The following code shows how to create a PagedList object:

C#

var data = new List<string>();
var pagedList = new PagedList<string>(data, 1, 10);

In this example, we create a List of strings and then create a PagedList object from the List. The PagedList object has a page number of 1 and a page size of 10.

You can then access the properties of the PagedList object to get information about the pagination and sorting of the results. For example, you can use the PageNumber property to get the current page number, and you can use the PageSize property to get the number of results per page.

The PagedList class also provides a number of methods that you can use to paginate and sort the results. For example, you can use the Skip() method to skip a certain number of results, and you can use the Take() method to take a certain number of results.

By using the PagedList class, you can easily handle pagination and sorting in the response of a .NET Core API. This will allow you to return large datasets to your users in a manageable way.

Here are some additional considerations when handling pagination and sorting in a .NET Core API:

  • How to handle pagination and sorting in the request: The user should be able to specify the page number and page size in the request.
  • How to handle pagination and sorting in the response: The response should include the current page number, page size, total pages, and total count.
  • How to handle pagination and sorting for large datasets: For large datasets, you may need to use a different approach to pagination and sorting. For example, you could use a streaming API.

By carefully considering these factors, you can implement pagination and sorting in your .NET Core API in a way that is efficient and user-friendly.

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