Trying to download files from an URL in a proxy server environment

Hi,
I am trying to download a file using LabVIEW with a simple DataSocket Read function but I am getting this error message: "LabVIEW: Path not found, FTP login incorrect, or no FTP write permission." I am trying to do this at work and I know we have a proxy server. Even If I use this simple code, it does not work:
How can I tell LabVIEW to use the proxy server?
Thanks,
José Rodrigo TÁGER

Hi LuiE_C
Thanks for your reply. About that, I thought there was no need to initialize a session. For example, checking at the paper you are pointing below, we have this:
This is what I actually try to use and it is not working. I am 100% sure it must be because of the proxy settings. That is the reason why I am asking how to tell LabVIEW the proxy settings.
Thanks,
JR TÁGER

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Hi Sreekanth,
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*& Report ZTRAK_DOWNLOAD                                         *
REPORT ZTRAK_DOWNLOAD MESSAGE-ID ZCT                   .
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SELECTION-SCREEN BEGIN OF BLOCK INFO2 WITH FRAME.
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SELECTION-SCREEN END OF BLOCK INFO2 .
SELECTION-SCREEN BEGIN OF BLOCK INFO3 WITH FRAME.
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       SELECTION-SCREEN COMMENT 1(79) TEXT5.
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       SELECTION-SCREEN COMMENT 1(79) TEXT6.
       SELECTION-SCREEN SKIP 1.
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SELECTION-SCREEN SKIP 1.
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SELECTION-SCREEN END OF BLOCK INFO3.
*- Internal Table to output data in Excel
DATA: BEGIN OF tab_excel OCCURS 0,
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        col3(255),
        col4(100),
        col5(100),
        col6(50),
        COL7(60),
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        col9(30),
        col10(30),
        col11(20),
        col12(15),
        col13(15),
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DATA: FILE LIKE RLGRAP-FILENAME .
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TEXT4 = 'Check the following before executing the Program.'.
TEXT5 = '     1. A valid Server path is provided.'.
TEXT6 = '     2. A valid Local PC path is provided.'.
TEXT7 = '     3. Local PC has 10 MB free space.'.
TEXT8 = 'The report can be executed in the forground.'.
TEXT9 =
'The report should be executed after execution of Transaction TRAK'.
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IF SERDIR EQ ''.
MESSAGE E001(ZCT).
ENDIF.
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MESSAGE E002(ZCT).
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W_DATASET = '/ABAP_Report_Developments.dat'.
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W_DATASET = '/BDC_Developments_Report.dat'.
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W_DATASET = '/Developments_Summary_Report.dat'.
CONCATENATE SERDIR W_DATASET INTO W_DATASET.
PERFORM INIT.
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FILE = '\Enhancement_Developments_Report.XLS'.
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W_DATASET = '/Enhancement_Developments_Report.dat'.
CONCATENATE SERDIR W_DATASET INTO W_DATASET.
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FILE = '\Field_Exit_Developments_Report.XLS'.
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W_DATASET = '/Field_Exit_Developments_Report.dat'.
CONCATENATE SERDIR W_DATASET INTO W_DATASET.
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W_DATASET = '/Frequency_And_Purpose_Report.dat'.
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FILE = '\FunctionGroup_Developments_Report.XLS'.
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W_DATASET = '/FunctionGroup_Developments_Report.dat'.
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W_DATASET = '/FunctionModule_Developments_Report.dat'.
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W_DATASET = '/SAP_Scipt_Developments_Report.dat'.
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CONCATENATE SERDIR W_DATASET INTO W_DATASET.
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W_DATASET = '/ABAPQuery_Developments_Reports.dat'.
CONCATENATE SERDIR W_DATASET INTO W_DATASET.
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FILE = '\FunctionalArea_Developments_Report.XLS'.
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W_DATASET = '/FunctionalArea_Developments_Report.dat'.
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MESSAGE S003(ZCT) WITH LOCDIR.
END-OF-SELECTION.
This routine checks whether file exists if yes downloads it to
the Local PC
FORM INIT.
OPEN DATASET W_DATASET FOR INPUT IN TEXT MODE ENCODING DEFAULT.
DO.
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ENDDO.
     PERFORM DOWNLOAD_FILE.
ENDFORM.
This routine downloads the data in an XL format on local PC
FORM Download_File .
CALL FUNCTION 'WS_DOWNLOAD'
            EXPORTING
                 FILENAME                = FILE
                 FILETYPE                = 'DAT'
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                 DATA_TAB                = tab_excel
            EXCEPTIONS
                 FILE_OPEN_ERROR         = 1
                 FILE_WRITE_ERROR        = 2
                 INVALID_FILESIZE        = 3
                 INVALID_TYPE            = 4
                 NO_BATCH                = 5
                 UNKNOWN_ERROR           = 6
                 INVALID_TABLE_WIDTH     = 7
                 GUI_REFUSE_FILETRANSFER = 8
                 CUSTOMER_ERROR          = 9
                 OTHERS                  = 10.
    IF sy-subrc <> 0.
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    ELSE.
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      REFRESH TAB_EXCEL.
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      W_DATASET = ''.
    ENDIF.
ENDFORM.
I have created those files in Application Server running in another z-program in background mode.Then I am trying to download those files using above the program.I am creating those trak/Trak files manually and I can able to see those files in A.S level.But when downloading the same files I am facing the problem.
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