anchor.diff:              $("select[name=sample_type_id]").selectpicker();
   
               // Adjust columns width in table header
  -            table.columns.adjust();
  +            adjustTableHeader();
           },
           error: function (e, eData, status, xhr) {
               if (e.status == 403)
  
positive.code:             });
  
              // Adjust columns width in table header
              table.columns.adjust();
              $('.dropdown-menu').parent().on('shown.bs.dropdown hidden.bs.dropdown', function () {
                table.columns.adjust();
              });
          },
          error: function (e, data, status, xhr) {
              if (e.status == 403) {
  
negative.code:   var td = document.createElement('td');
    td.innerHTML = content;
    return td;
  }
  
  // Adjust columns width in table header
  function adjustTableHeader() {
    table.columns.adjust();
    $('.dropdown-menu').parent().on('shown.bs.dropdown hidden.bs.dropdown', function () {
      table.columns.adjust();
    });
  }
  
  /**
  