How to add sorting to student index page?
To add sorting to the Student Index page, you’ll change the Index method of the Students controller and add code to the Student Index view. In StudentsController.cs, replace the Index method with the following code: This code receives a sortOrder parameter from the query string in the URL.
How to add sorting in ASP.NET Entity Framework?
Clicking a column heading repeatedly toggles between ascending and descending sort order. To add sorting to the Student Index page, you’ll change the Index method of the Student controller and add code to the Student Index view. In Controllers\\StudentController.cs, replace the Index method with the following code:
How to add sorting and filtering in ASP.NET?
Run the app, select the Students tab, and click the Last Name and Enrollment Date column headings to verify that sorting works. To add filtering to the Students Index page, you’ll add a text box and a submit button to the view and make corresponding changes in the Index method.
What does currentsort do in paging ASP.NET?
If a paging link is clicked, the page variable will contain the page number to display. The ViewData element named CurrentSort provides the view with the current sort order, because this must be included in the paging links in order to keep the sort order the same while paging.
When to use sortorder in column heading hyperlinks?
When the user clicks a column heading hyperlink, the appropriate sortOrder value is provided in the query string. The two ViewData elements (NameSortParm and DateSortParm) are used by the view to configure the column heading hyperlinks with the appropriate query string values. These are ternary statements.
Which is the default sorting order in ASP.NET?
The default sort order is ascending. The first time the Index page is requested, there’s no query string. The students are displayed in ascending order by last name, which is the default as established by the fall-through case in the switch statement.