Reading file from an external folder.

Iam tring to read an external file from the C:\ drive. Given below is the code.
DATA LV_XLS(100) TYPE C.
DATA LV_CONTENT TYPE XSTRING.
LV_XLS = 'C:\XML\Report.xls'
READ DATASET LV_XLS INTO LV_CONTENT.
But when i execute iam getting an error - FILE NOT FOUND. How do i read file from an external folder. My requirement is to strictly read from an external folder. Please help.
If this is not possible please advice as to how the file could be moved to the SAP root directory. Iam not able to locate the root.

hi,
This is the code to read a excel file from the local system.
Read data set you are using in your code corresponds to files on application server thats the reason its throwing an error.
* Parameter variable declaration for browsing the file location       *
PARAMETERS:
p_file TYPE ibipparms-path OBLIGATORY.
data:
it_text TYPE truxs_t_text_data .
AT SELECTION-SCREEN ON VALUE-REQUEST FOR p_file.
CALL FUNCTION 'F4_FILENAME'
   EXPORTING
     program_name        = syst-cprog
*   DYNPRO_NUMBER       = SYST-DYNNR
     field_name          = ' '
   IMPORTING
     file_name           = p_file.
START-OF-SELECTION.
CALL FUNCTION 'TEXT_CONVERT_XLS_TO_SAP'
    EXPORTING
*   I_FIELD_SEPERATOR          =
*   I_LINE_HEADER              =
      i_tab_raw_data             = it_text
      i_filename                 = p_file
    TABLES
      i_tab_converted_data       = t_cust
EXCEPTIONS
    conversion_failed          = 1
    OTHERS                     = 2
IF sy-subrc <> 0.
* MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
*         WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
ENDIF.
This is to read a text file from local system.
CALL FUNCTION 'GUI_UPLOAD'
    EXPORTING
    filename                      = 'D:\FILEINTERFACE\file.TXT'
*    FILETYPE                      = 'ASC'
     has_field_separator           = 'X'
*    HEADER_LENGTH                 = 0
*    READ_BY_LINE                  = 'X'
*    DAT_MODE                      = ' '
*    CODEPAGE                      = ' '
*    IGNORE_CERR                   = ABAP_TRUE
*    REPLACEMENT                   = '#'
* IMPORTING
*    FILELENGTH                    =
*    HEADER                        =
    TABLES
      data_tab                      = t_kna1
* EXCEPTIONS
*    FILE_OPEN_ERROR               = 1
*    FILE_READ_ERROR               = 2
*    NO_BATCH                      = 3
*    GUI_REFUSE_FILETRANSFER       = 4
*    INVALID_TYPE                  = 5
*    NO_AUTHORITY                  = 6
*    UNKNOWN_ERROR                 = 7
*    BAD_DATA_FORMAT               = 8
*    HEADER_NOT_ALLOWED            = 9
*    SEPARATOR_NOT_ALLOWED         = 10
*    HEADER_TOO_LONG               = 11
*    UNKNOWN_DP_ERROR              = 12
*    ACCESS_DENIED                 = 13
*    DP_OUT_OF_MEMORY              = 14
*    DISK_FULL                     = 15
*    DP_TIMEOUT                    = 16
*    OTHERS                        = 17
IF sy-subrc <> 0.
* MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
*         WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
ENDIF.
PS. In both of the above mentioned function modules make sure that the file structure is similar to the internal tables used.
Thanks
Sharath

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Any advice or tips would be greatly appreciated. My problem comes close to others discussed, but I haven't been able to find a duplicate post. And I apologize for the length; I just want to give you as much info. as possible (I also put details in my signature) to help you help me.
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Okay, I'll stop typing. Thank you so, so much for any help.
Tom
PowerMac G5 (Dual 2.3 GHz) Mac OS X (10.4.6) Quicktime 7.1.1 - Final Cut Pro 5.1 - Aforementioned External Hard Drive: LaCie Brick (FAT 32 based)
PowerMac G5 Mac OS X (10.4.6)

The problem didn't turn out to be as complicated as I had thought. The process I described above ended up working fine, and I'll explain how. And this is a cool workaround, because the AppleCare helpers told me that they didn't think it would work (FCP P2 import is only supported straight from the P2 card/viewer or the camera).
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Final thing to share: If we had actually been unable to find the corresponding clip files in our original external hard drive, we had also found a potential solution (that we didn't end up needing to try). You can record from FCP back onto the P2 card, in the hopes that the clip files would be regenerated when you re-import it into FCP. I received a PDF file about this process, and I'm not sure how to put it up on the page here. If interested in this described process (which, again, I can't fully vouch for), feel free to email me at [email protected] and I can forward it to you.
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PowerMac G5 Mac OS X (10.4.6)
PowerMac G5 Mac OS X (10.4.6)

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Mac Basics - Time Machine backs up your mac:
http://support.apple.com/kb/ht1427
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edited.

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