anchor.diff:            $('#samples').off();
             $('#samples thead').empty();
             $('#samples thead').append(originalHeader);
  -
  -          // Preserve save/delete buttons as we need them after new table
  -          // will be created
  -          $('div.toolbarButtons').appendTo('div.samples-table');
  -          $('div.toolbarButtons').hide();
   
             // Re-initialize datatable
             table = dataTableInit();
  
positive.code: 
  // Restore previous table
  function onClickCancel() {
      table.ajax.reload();
  
      changeToViewMode();
      updateButtons();
  
negative.code:             I18n.t('samples.js.column_added') +
              '</span>');
  
            // Preserve save/delete buttons as we need them after new table
            // will be created
            $('div.toolbarButtons').appendTo('div.samples-table');
            $('div.toolbarButtons').hide();
  
            // Destroy datatable
            table.destroy();
  
  