Here Mudassar Ahmed Khan has explained with an example, how to implement check uncheck all (select unselect all) CheckBoxes functionality in ASP.Net DataList control using JavaScript and jQuery. SelectAllCheckbox is a JavaScript library which makes it easy to create "select all" checkboxes for checkbox groups. Menu. In this article, we will explore how to use a Checkboxlist and use ASP.NET and Javascript to select or unselect all your checkboxes in your CheckBoxList. We determine whether the checkbox is checked and can take action based on that.. Handling a Group of Checkboxes Onclick. * Also add a class to the table row for highlighting. The second function validate() will execute while someone click on …