I had to check and uncheck all list items in the ASP.Net Checkboxlist control when a single ‘All’ checkbox is checked and unchecked respectively. I also had to uncheck the ‘All’ checkbox if any of the checkboxlist item is unchecked and check if all items in checkboxlist are checked.


I used  JQuery to identify the check and uncheck event on checkboxes and perform the needed actions.

Below is the layout of  the controls:

Visually, It looked like below without the mouse pointer and all unchecked. 🙂

Now, the main logic to get this all working. If you dont know how jquery works, please visit

That’s it. Any questions n comments are welcome.

Happy Coding!

Check or Uncheck all checkboxes in CheckBoxList control
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2 thoughts on “Check or Uncheck all checkboxes in CheckBoxList control

  • November 27, 2013 at 4:11 am

    my question is

    in the above example i deselect(uncheck) the any item(mobile) the checkbox(All) also deselected.
    is it possible or not in C#

    • December 25, 2013 at 8:40 pm

      I am sure it can be done but requires post back. What is the reason you want to do it in C#?


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