It is necessary to hide the checkbox in the table header when all checkboxes in other rows are hidden.
if ($('#Submit').css('display', 'none')) {
$("#chselect").hide();
} else if($('#Submit').css('display') == 'none'){
$("#chselect").show();
}
Here's a simple solution for you:
1. Start by assigning the class checkboxes to all checkboxes, except for the header checkbox.
2. Next, give the header checkbox an id of mainCheckBox.
3. Finally, add the following code:
$(".checkboxes").change(function() {
var flag = false;
$(".checkboxes").each(function () {
if ($(this).is(':checked')) {
flag = true;
}
});
if(flag == true)
{
$('#mainCheckBox').attr('checked', "checked");
}
else
{
$('#mainCheckBox').removeAttr("checked");
}
});
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