One of the frequent requirements for Asp.net Gridview is to add a checkbox for each row and a checkbox to select all the items like the Gridview below. This can be easily achieved by using jQuery. You can find the complete source doe here.

$(document).ready(function () {

$(‘input[name$="CDSelectAll"]‘).click(function () {

if ($(this).attr(“checked”)) {

$(‘input[name$="CDSelect"]‘).attr(‘checked’, ‘checked’);

} else {

$(‘input[name$="CDSelect"]‘).removeAttr(‘checked’);

}

});

});