code: public int setString(String fieldPtr, boolean bDisplayOption, int moveMode)                 // init this field override for other value
      {
          int index = ((NumberField)this.getNextConverter()).convertStringToIndex(fieldPtr);
          return this.getNextConverter().setValue(index, bDisplayOption, moveMode);
      }
docs: Convert and move string to this field.
  Convert this string to an index and set the index value.
  Override this method to convert the String to the actual Physical Data Type.
  @param strString the state to set the data to.
  @param bDisplayOption Display the data on the screen if true.
  @param iMoveMode INIT, SCREEN, or READ move mode.
  @return The error code (or NORMAL_RETURN).