code: public void removeFieldList(FieldList fieldList)
      {
          if (m_vFieldListList == null)
              return;
          for (int i = 0; ; i++)
          {   // Step 1 - Disconnect the controls from the fields
              FieldList fieldInList = this.getFieldList(i);
              if (fieldInList == null)
                  break;
              if ((fieldList == null)
                  || (fieldList == fieldInList))
                      m_vFieldListList.remove(i); // Found, remove.
          }
      }
docs: Add another fieldlist.
  @param fieldList The field list to remove (pass null to remove them all).