Below are simple steps to select/unselect all checkboxes in a classic report: 1. Create a page with a classic report based on a sample query select apex_item.checkbox(1, EMPLOYEE_ID) selectemp, EMPLOYEE_ID, FIRST_NAME, LAST_NAME, EMAIL, PHONE_NUMBER, HIRE_DATE from EMPLOYEES 2. Add static ID : emp on the classic report region 3. Add below Javascript on the page function handleClick(cb) { if (cb.checked === true) { $('#emp input[type=checkbox][name=f01]').prop('checked',true); } else { $('#emp input[type=checkbox][name=f01]').prop('checked',false); } } 4. Change the heading on the SELECTEMP column of the report to below 5. Ensure you set 'Escape Special Characters' on the SELECTEMP column to 'No' 6. Run the report and see the changes when you select/unselect the checkbox in the heading Happy APEX Exp