| 281 |     $("#select_all").on("click",function(e){ | 281 |     $("#select_all").on("click",function(e){ | 
        
              | 283 |         $(".dbcolumn_selection").prop("checked", true); | 283 |         $(".dbcolumn_selection:not(:disabled)").prop("checked", true); | 
        
          | 285 |     $("#clear_all").on("click",function(e){ | 285 |     $("#clear_all").on("click",function(e){ |