How to Implement Pagination in ASP.NET MVC?

Implementing Pagination in ASP.NET MVC

Pagination is crucial for presenting extensive datasets in manageable chunks. The following guide provides a comprehensive solution for pagination in ASP.NET MVC.

Specify Default Arguments for Data Source

The first step involves defining default arguments for your action, similar to:

ActionResult Search(string query, int startIndex = 0, int pageSize = 20) {...}

This ensures that startIndex defaults to 0 and pageSize defaults to 20.

Configure Routing to Handle Default Values

Configure your routes to handle these default values:

        routes.MapRoute("Search", "Search/{query}/{startIndex}",
                        new
                        {
                            controller = "Home", action = "Search",
                            startIndex = 0, pageSize = 20
                        });

Utilize LINQ for Paging

For pagination, use LINQ to split the dataset into pages:

var page = source.Skip(startIndex).Take(pageSize);

Replace startIndex with pageNumber * pageSize if using pageNumber instead.

Generate Action Links for Pagination

Include action links for navigating between pages:

<%=Html.ActionLink("next page", "Search", new {
                query, startIndex = startIndex + pageSize, pageSize }) %>

By following these steps, you'll effectively implement pagination in your ASP.NET MVC application.

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