ALV and POP-UP

Hi everybody,
I'm a very very junior developer and I'm in trouble with ALV and POP-UP.
I'm going to explain to you my problem.
I need to build a report that has two parameters.
The first one helps you to choose a file from an Application server (by a match code).
The second one shows the path you've just choose.
When you click on the match code, the report has to do this:
1 - a pop-up with an ALV list comes up with a list of files and subdirectories (the starting path is fixed in the code)
2 - when i choose one of the files (double click) I need to
    - close the pop-up
    - catch the file and his path
    - put the entire path into the second parameter
Regards
Jampierre
P.S: I'm sorry about my english

Have a look at this example program.
REPORT zrich_0001.
TYPE-POOLS: slis.
TYPES : BEGIN OF lt_help,
         check TYPE c,
         file TYPE char255,
        END OF lt_help.
DATA: idynfields TYPE TABLE OF dynpread .
DATA: xdynfields LIKE LINE OF idynfields.
DATA: ihelp TYPE TABLE OF lt_help.
DATA: xhelp LIKE LINE OF ihelp.
DATA: ifldc TYPE slis_t_fieldcat_alv .
DATA: xfldc TYPE slis_fieldcat_alv .
DATA: p_file TYPE localfile.
DATA: ifile TYPE TABLE OF salfldir.
DATA: xfile LIKE LINE OF ifile.
PARAMETERS: p_path TYPE salfile-longname
                    DEFAULT '\usr\sap\N4S\DVEBMGS00\work'.
AT SELECTION-SCREEN ON VALUE-REQUEST FOR p_path.
REFRESH: ifile, ifldc.
    REFRESH idynfields.
    xdynfields-fieldname = 'P_PATH'.
    APPEND xdynfields TO idynfields.
    CALL FUNCTION 'DYNP_VALUES_READ'
      EXPORTING
        dyname             = sy-cprog
        dynumb             = sy-dynnr
      TABLES
        dynpfields         = idynfields
      EXCEPTIONS
        OTHERS             = 11.
    clear xdynfields.
    READ TABLE idynfields INTO xdynfields WITH KEY fieldname = 'P_PATH'.
    IF sy-subrc = 0.
      p_path = xdynfields-fieldvalue.
    ENDIF.
    CALL FUNCTION 'RZL_READ_DIR_LOCAL'
    EXPORTING
      name           = p_path
    TABLES
      file_tbl       = ifile
    EXCEPTIONS
      argument_error = 1
      not_found      = 2
      OTHERS         = 3.
REFRESH ihelp.
LOOP AT ifile INTO xfile.
    xhelp-file = xfile-name.
    APPEND xhelp TO ihelp.
ENDLOOP.
CLEAR xfldc.
xfldc-reptext_ddic    = ' '.
xfldc-fieldname = 'CHECK'.
xfldc-tabname   = 'IHELP'.
xfldc-outputlen = '1'.
APPEND xfldc TO ifldc.
CLEAR xfldc.
xfldc-reptext_ddic    = 'File Name'.
xfldc-fieldname = 'FILE'.
xfldc-tabname   = 'IHELP'.
xfldc-outputlen = '255'.
APPEND xfldc TO ifldc.
CALL FUNCTION 'REUSE_ALV_POPUP_TO_SELECT'
    EXPORTING
      i_checkbox_fieldname = 'CHECK'
      i_tabname            = 'IHELP'
      it_fieldcat          = ifldc
    TABLES
      t_outtab             = ihelp
    EXCEPTIONS
      program_error        = 1
      OTHERS               = 2.
READ TABLE ihelp INTO xhelp WITH KEY check = 'X'.
IF sy-subrc = 0.
    REFRESH idynfields.
    xdynfields-fieldname = 'P_PATH'.
    CONCATENATE p_path '\' xhelp-file INTO xdynfields-fieldvalue.
    APPEND xdynfields TO idynfields.
* Update the dynpro values.
    CALL FUNCTION 'DYNP_VALUES_UPDATE'
      EXPORTING
        dyname     = sy-cprog
        dynumb     = sy-dynnr
      TABLES
        dynpfields = idynfields
      EXCEPTIONS
        OTHERS     = 8.
ENDIF.
Regards,
Rich Heilman

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hi i just like to say i had a similar fault though i would be surprised if it causing yours,but you never know,my fault was my laptop lid, [9 months old] it contains the mic ,and when the lid was in a certain angle crackles could be heard worse when i had my external sound card in, it was a faulty membrane [ lid to body] easily missed by engineer because it was the same angle all the time it happened,good luck, PS you English is very good
Message was edited by: sido1

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