Problem in refreshing ALV data in container (OOALV)

Question

Hello Experts, Good Day.
I am developing a Modulepool program which is having two screens, one (101) is for Entering data (used TC with wizard) then saves it in database table and another screen (102) is to display saved data. Now I am facing problem in second screen (102).
The problem I am facing is when I am displaying/calling 102 screen for multiple times, the internal table is getting updated but the previous ALV data is not getting updated/modified.
I have searched the forum and found some methods/procedures for refreshing the data but I am not able to achieve this.
Methods I found and Problems with them:
1. FREE the Container and Grid objects usng FREE( ) method.
If I free boht the Container and Grid objects data getting updated but another all the columns are getting displayed twice for second time, thrice for third time and so on... I have coded for this in PBO of 102 Screen.
If I Free only Grid object, totally the table is getting disappeared when I display ALV Second time.
2. When I use Refresh the table using CALL METHOD LR_GRID->REFRESH_TABLE_DISPLAY( ) then only second time the ALV is getting refreshed but if I display further it is displaying 2nd ALV data from 3rd time onwards (not getting updated from 3rd time).
Coded as below in PBO OF 102 Screen:
IF LR_GRID IS BOUND.
   CALL METHOD LR_GRID->REFRESH_TABLE_DISPLAY( ).
ENDIF.
   CREATE OBJECT LR_GRID
     EXPORTING
       I_PARENT          =  LR_CONT
     EXCEPTIONS
       ERROR_CNTL_CREATE = 1
       ERROR_CNTL_INIT   = 2
       ERROR_CNTL_LINK   = 3
       ERROR_DP_CREATE   = 4
       OTHERS            = 5.
   IF SY-SUBRC <> 0.
    MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
               WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
   ENDIF.
3. When I use FLUSH method: this is not at all working out, I have called this after displaying ALV in PBO.
    CALL METHOD CL_GUI_CFW=>FLUSH( ).
    CALL METHOD CL_GUI_CFW=>DISPATCH( ).
My code to display ALV which is written in PBO of 102 is attached, please find the attachment.
Experts, please let me know where I am going wrong. I wish to know the solution in all the above ways. Please help me.
Thanks & Regards,
Vijay

Answer 1

  LR_GRID->SET_TABLE_FOR_FIRST_DISPLAY(
*    EXPORTING
*      I_BUFFER_ACTIVE               =
*      I_BYPASSING_BUFFER            = 'X'
*      I_CONSISTENCY_CHECK           =
*      I_STRUCTURE_NAME              = 'ZGVK_MP_DEMO'
*      IS_VARIANT                    =
*      I_SAVE                        = 'X'
*      I_DEFAULT                     = 'X'
*      IS_LAYOUT                     =
    CHANGING
      IT_OUTTAB                     = GT_DATA[]
      IT_FIELDCATALOG               = LT_FCAT
*      IT_SORT                       =
*      IT_FILTER                     =
    EXCEPTIONS
      INVALID_PARAMETER_COMBINATION = 1
      PROGRAM_ERROR                 = 2
      TOO_MANY_LINES                = 3
      OTHERS                        = 4 ).
  IF SY-SUBRC <> 0.
   MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
              WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
  ENDIF.