checkbox with add button

hi friends ,
         
             i am doing a project on employee shifts. I have create one add control button and two check boxes and some labels and textbox  controls. now my question is i want to add details to database when i click on add button when  i select check box some labels and textboxes disables requried controls will enable when i insert data into enable control fields and click on add button the data should be inserted into database could. any one help me how write the logic.


Thanks