Displayed changed data without refresh

Dear Expert,
I am using CL_ALV_GRID to let the user input some code in one filed then the it's text display in another field automatically.But I meet a problem , to display the changed data I have to use method 'refresh'. This method will refresh all the data, but user only want to display the changed data.
Is there any way to realize this kind of requirement ?

Hi expert,
Here data will be displayed on layout.After displaying the data first we need to modify the record after that selected that record
and press the CUSTOME REFRESH button only selected row is changed in internal table after that using set_table_for_fist_display using that method wt ever the modified the data in itab that data will display.
claSS lcl_event_receiver IMPLEMENTATION.
METHOD handle_toolbar.
MOVE 'REFRESH' TO ls_toolbar-function.
    MOVE icon_refresh TO ls_toolbar-icon.
    MOVE 'REFRESH SCREEN'(140) TO ls_toolbar-quickinfo.
   MOVE 'DELETE DATA'(120) TO ls_toolbar-quickinfo.
    MOVE 'REFRESH'(140) TO ls_toolbar-text.
    MOVE ' ' TO ls_toolbar-disabled.
    APPEND ls_toolbar TO e_object->mt_toolbar.
    CLEAR ls_toolbar.
ENDMETHOD.
ENDCLASS.
METHOD handle_user_command.
CASE e_ucomm.
    WHEN 'REFRESH'.
      CALL METHOD r_grid->get_selected_rows
          IMPORTING
             ET_INDEX_ROWS =
             et_row_no     = it_rows.
      LOOP AT it_rows INTO wa_rows.
MODIFY DBTAB FROM TABLE ITAB INDEX WA_ROWS-INDEX.
ENDLOOP.
CALL METHOD r_grid->set_table_for_first_display
        EXPORTING
          is_layout       = gs_layout "&see below
        CHANGING
          it_fieldcatalog = gt_fieldcat
          it_outtab       = ITAB.
ENDMETHOD.
STARTOFSELECTION.
CREATE OBJECT r_container
    EXPORTING
      container_name              = 'CONTAINER_1'
CREATE OBJECT r_grid
    EXPORTING
      i_parent          = r_container
SET HANDLER event_receiver1->handle_user_command FOR r_grid.
SET HANDLER event_receiver1->handle_toolbar FOR r_grid.
Regards
MURALII

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form, but without the
>>fields
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their info in
>> address 1
>> but left address 2 blank, I want to display address
1 and then display
>> the next
>> completed form field if address 2 was left blank. I
am writing this in
>> Coldfusion.
>>
>> What I am trying to do is allow clients to create
and preview a
>> preformatted
>> business card online so we eliminate the back and
forth proofing process.
>> The
>> design for each card is the same, but with variable
information. Ex.,
>> Address
>> 1, Address 2, Cell Phone 1, Cell Phone 2, etc. When
fields are left blank
>> I
>> want to eliminate them from being displayed as blank
spaces.
>>
>> Thank you in advance.
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>> Steve Miller
>>
>
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