case 'Parametrage':
      $("#container").empty();
      $("#container").load("params");
      break;

$(function(){
    $('body').on('submit', 'form', function(e){
       e.preventDefault();

        $.ajax({
            type: "POST",
            url: "<?php echo site_url("params/save_form"); ?>",
            data:$(this).serialize(),
            success: function(response){
                if(response == 'true'){
                    $.modal.close();
                    var table = $('#table_id').DataTable();
                    table.ajax.reload();
                    $('#dialog-message').attr('title','Enregistrement');
                    $('#msgIcon').attr('class','ui-icon ui-icon-circle-check');
                    $('#msgMessage').html('Enregistré avec succès');
                    $("#dialog-message").dialog({
                      modal: true,
                      buttons: {
                        Ok: function() {
                          $(this).dialog("close");
                        }
                      }
                    });
                }else{
                    $('#errors_container').html(response);
                }

            },
            error: function(){
                alert('Error');
            }
        });
    });
});

case 'Parametrage':
     $("#container").empty();
     //Added this line
     $('body').off("submit", "form");
     $("#container").load("params");
     break;

$(body).off("submit", "form");

url: "<?php echo site_url("params/save_form"); ?>",

url: '<?php echo site_url("params/save_form"); ?>',

url: "<?php echo site_url("params/save_form"); ?>",

url: "<?php echo site_url("params/save_form"); ?>"

url: "<?php echo site_url('params/save_form'); ?>",

url: '<?php echo site_url("params/save_form"); ?>',