code: public String find(String name) {
          String value = null;
          for (DataBinder top = this; top != null && (value = top.get(name)) == null; top = top.getLower());
          return value;
      }
docs: Finds a string value from all data binders, starting from the current binder searching downwards.
  
  @param name the name of the value
  @return the first value found