Reading heavy excel files page wise using OpenXML
Hi,
I am using OpenXML to read heavy excel files, but I am using paging to read files because I have to process data and show in Grid on frontend.
Problem here is for reading every page of 10000 records its time is increasing.
First Page = 38397 Milliseconds
Second Page = 81910 MS
Third page =117923 MS
Fourth page =150142 MS
Any body has any clue...
Hi,
>> I am using paging to read files <<
Are you sure the extra time is used to read the data from Excel files or
show the data in Grid? If not, I suggest you checking that.
If the issue is related to reading data from Excel files by Open XML SDK, would you mind sharing some sample code for us to know how you read the files and troubleshoot?
If the extra time is used for showing data, I suggest you posting in the proper forum based on your developing language for more effective responses.
We are trying to better understand customer views on social support experience, so your participation in this interview project would be greatly appreciated if you have time. Thanks for helping make community forums a great place.
Click
HERE to participate the survey.
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How to download a READ ONLY excel file to workstation (local Machine).Hi kaleemullah,
Steps to create a BDC program.
1. Create an internal table with fields same as Excel sheet fields.
2. Declare an internal table with BDCDATA table to store the BDC recording.
3. Declare an internal table with BDCMSGCOL to store the error messages after
the execution of the BDC.
4. Write the code using the fun. module ALSM_EXCEL_TO_INTERNAL_TABLE
to upload the data from the excel sheet.
5. loop that internal table and write the Subroutines to fill the internal table
BDCDATA with the recording of a specified Transaction Code.
6. Using Call Transaction execute the BDC recording.
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8. If you want you can pass those error records to a session using the SESSION method.
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Sample Program:
REPORT ZRAJ_DATASET_XD01 NO STANDARD PAGE HEADING LINE-SIZE 132
LINE-COUNT 60
MESSAGE-ID Z00.
Table/Structure declarations. *
TABLES : KNA1. "Customer master
Constants declarations. *
CONSTANTS : C_MODE VALUE 'N',
C_UPDATE VALUE 'S',
C_X VALUE 'X',
C_SESS TYPE APQI-GROUPID VALUE 'ZCUSTOMER', "Session Name
C_XD01 LIKE TSTC-TCODE VALUE 'XD01'.
Variable declarations. *
DATA : V_FNAME(15) VALUE SPACE, " Name of file to be created
V_FAILREC TYPE I, " No of failed records
V_MSG(255), " Message Text
V_ERRREC TYPE I, " No of failed records
V_LINES TYPE I. " No of records
*-- FLAG DECLARATIONS
DATA : FG_DATA_EXIST VALUE 'X', " Check for data
FG_SESSION_OPEN VALUE ' '. " Check for Session Open
Structures / Internal table declarations *
*-- Structure to hold BDC data
TYPES : BEGIN OF T_BDCTABLE.
INCLUDE STRUCTURE BDCDATA.
TYPES END OF T_BDCTABLE.
*-- Structure to trap BDC messages
TYPES : BEGIN OF T_MSG.
INCLUDE STRUCTURE BDCMSGCOLL.
TYPES : END OF T_MSG.
*-- Structure to trap ERROR messages
TYPES : BEGIN OF T_ERR_MSG,
MESSAGE(255),
END OF T_ERR_MSG.
*--Internal table to store flat file data
DATA:BEGIN OF IT_KNA1 OCCURS 0,
KUNNR LIKE KNA1-KUNNR,
KTOKD LIKE T077D-KTOKD,
NAME1 LIKE KNA1-NAME1,
SORTL LIKE KNA1-SORTL,
ORT01 LIKE KNA1-ORT01,
PSTLZ LIKE KNA1-PSTLZ,
LAND1 LIKE KNA1-LAND1,
SPRAS LIKE KNA1-SPRAS,
LZONE LIKE KNA1-LZONE,
END OF IT_KNA1.
*-- Internal table to hold BDC data
DATA: IT_BDCDATA TYPE STANDARD TABLE OF T_BDCTABLE WITH HEADER LINE,
*-- Internal Table to store ALL messages
IT_MSG TYPE STANDARD TABLE OF T_MSG WITH HEADER LINE,
*-- Internal Table to store error messages
IT_ERR_MSG TYPE STANDARD TABLE OF T_ERR_MSG WITH HEADER LINE.
Selection Screen. *
SELECTION-SCREEN BEGIN OF BLOCK B1 WITH FRAME TITLE TEXT-001.
PARAMETERS : P_FLNAME(15) OBLIGATORY.
SELECTION-SCREEN END OF BLOCK B1.
SELECTION-SCREEN BEGIN OF BLOCK B2 WITH FRAME TITLE TEXT-002.
SELECTION-SCREEN BEGIN OF LINE.
PARAMETERS : R_LIST RADIOBUTTON GROUP GRP1.
SELECTION-SCREEN COMMENT 5(20) TEXT-003.
PARAMETERS : R_SESS RADIOBUTTON GROUP GRP1.
SELECTION-SCREEN COMMENT 30(20) TEXT-004.
SELECTION-SCREEN END OF LINE.
SELECTION-SCREEN END OF BLOCK B2.
Event:Initialization *
INITIALIZATION.
AT Selection Screen. *
AT SELECTION-SCREEN.
Event: Start-of-Selection *
START-OF-SELECTION.
V_FNAME = P_FLNAME.
PERFORM GET_DATA.
PERFORM GENERATE_DATASET.
Event: End-of-Selection *
END-OF-SELECTION.
IF FG_DATA_EXIST = ' '.
MESSAGE I010 WITH TEXT-009.
EXIT.
ENDIF.
PERFORM GENERATE_BDCDATA.
PERFORM DISPLAY_ERR_RECS.
Event: top-of-page
TOP-OF-PAGE.
FORM DEFINITIONS *
*& Form get_data
Subroutine to get the data from mard
--> p1 text
<-- p2 text
FORM GET_DATA.
CALL FUNCTION 'UPLOAD'
EXPORTING
CODEPAGE = ' '
FILENAME = 'C:\XD01.TXT'
FILETYPE = 'DAT'
ITEM = ' '
FILEMASK_MASK = ' '
FILEMASK_TEXT = ' '
FILETYPE_NO_CHANGE = ' '
FILEMASK_ALL = ' '
FILETYPE_NO_SHOW = ' '
LINE_EXIT = ' '
USER_FORM = ' '
USER_PROG = ' '
SILENT = 'S'
IMPORTING
FILESIZE =
CANCEL =
ACT_FILENAME =
ACT_FILETYPE =
TABLES
DATA_TAB = IT_KNA1
EXCEPTIONS
CONVERSION_ERROR = 1
INVALID_TABLE_WIDTH = 2
INVALID_TYPE = 3
NO_BATCH = 4
UNKNOWN_ERROR = 5
GUI_REFUSE_FILETRANSFER = 6
OTHERS = 7
IF SY-SUBRC <> 0.
MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
ENDIF.
IF IT_KNA1[] IS INITIAL.
FG_DATA_EXIST = ' '.
ENDIF.
ENDFORM. " get_data
*& Form GENERATE_DATASET
text
--> p1 text
<-- p2 text
FORM GENERATE_DATASET.
MESSAGE I010 WITH 'OPENING FILE IN APPLICATION SERVER'.
**--Creating a data set in application server
OPEN DATASET V_FNAME FOR OUTPUT IN TEXT MODE.
**---Transfering data from internal table to dataset
MESSAGE I010 WITH 'TRANSFERING DATA FROM INETERAL TABLE TO THE FILE'.
LOOP AT IT_KNA1.
TRANSFER IT_KNA1 TO V_FNAME.
ENDLOOP.
**--Closing the dataset
MESSAGE I010 WITH 'CLOSING THE FILE'.
CLOSE DATASET V_FNAME.
ENDFORM. " GENERATE_DATASET
*& Form BDC_DYNPRO
text
-->P_0467 text
-->P_0468 text
FORM BDC_DYNPRO USING PROGRAM DYNPRO.
CLEAR IT_BDCDATA.
IT_BDCDATA-PROGRAM = PROGRAM.
IT_BDCDATA-DYNPRO = DYNPRO.
IT_BDCDATA-DYNBEGIN = 'X'.
APPEND IT_BDCDATA.
ENDFORM.
*& Form BDC_FIELD
text
-->P_0472 text
-->P_0473 text
FORM BDC_FIELD USING FNAM FVAL.
IF NOT FVAL IS INITIAL.
CLEAR IT_BDCDATA.
IT_BDCDATA-FNAM = FNAM.
IT_BDCDATA-FVAL = FVAL.
APPEND IT_BDCDATA.
ENDIF.
ENDFORM.
*& Form GENERATE_BDCDATA
text
--> p1 text
<-- p2 text
FORM GENERATE_BDCDATA.
REFRESH IT_KNA1.
Opening dataset for reading
OPEN DATASET V_FNAME FOR INPUT IN TEXT MODE.
Reading the file from application server
DO.
CLEAR: IT_KNA1,IT_BDCDATA.
REFRESH IT_BDCDATA.
READ DATASET V_FNAME INTO IT_KNA1.
IF SY-SUBRC <> 0.
EXIT.
ELSE.
Populate BDC Data for Initial Screen
PERFORM : BDC_DYNPRO USING 'SAPMF02D' '0100',
BDC_FIELD USING 'BDC_CURSOR' 'RF02D-KUNNR',
BDC_FIELD USING 'BDC_OKCODE' '/00',
BDC_FIELD USING 'RF02D-KUNNR' IT_KNA1-KUNNR,
BDC_FIELD USING 'RF02D-KTOKD' IT_KNA1-KTOKD.
Populate BDC Data for Second Screen
PERFORM : BDC_DYNPRO USING 'SAPMF02D' '0110',
BDC_FIELD USING 'BDC_CURSOR' 'KNA1-NAME1',
BDC_FIELD USING 'BDC_OKCODE' '/00',
BDC_FIELD USING 'KNA1-NAME1' IT_KNA1-NAME1,
BDC_FIELD USING 'KNA1-SORTL' IT_KNA1-SORTL,
BDC_FIELD USING 'KNA1-ORT01' IT_KNA1-ORT01,
BDC_FIELD USING 'KNA1-PSTLZ' IT_KNA1-PSTLZ,
BDC_FIELD USING 'KNA1-LAND1' IT_KNA1-LAND1,
BDC_FIELD USING 'KNA1-SPRAS' IT_KNA1-SPRAS.
Populate BDC Data for Third Screen
PERFORM : BDC_DYNPRO USING 'SAPMF02D' '0120',
BDC_FIELD USING 'BDC_CURSOR' 'KNA1-LZONE',
BDC_FIELD USING 'BDC_OKCODE' '=UPDA',
BDC_FIELD USING 'KNA1-LZONE' IT_KNA1-LZONE.
CALL TRANSACTION C_XD01 USING IT_BDCDATA
MODE C_MODE
UPDATE C_UPDATE
MESSAGES INTO IT_MSG.
IF SY-SUBRC <> 0.
*--In case of error list display
IF R_LIST = C_X.
V_ERRREC = V_ERRREC + 1.
PERFORM FORMAT_MESSAGE.
IT_ERR_MSG-MESSAGE = V_MSG.
APPEND IT_ERR_MSG.
CLEAR : V_MSG,IT_ERR_MSG.
ENDIF.
*--In case of session log
IF R_SESS = C_X.
*-- In case of transaction fails.
IF FG_SESSION_OPEN = ' '.
FG_SESSION_OPEN = C_X.
PERFORM BDC_OPEN_GROUP.
ENDIF. " IF FG_SESSION_OPEN = ' '.
*-- Insert BDC Data..
PERFORM BDC_INSERT_DATA.
ENDIF. " IF R_SESS = C_X.
ENDIF. " IF SY-SUBRC <> 0.
ENDIF. " IF SY-SUBRC <> 0.
ENDDO.
Closing the dataset
CLOSE DATASET V_FNAME.
*-- Close the session if opened
IF FG_SESSION_OPEN = C_X.
PERFORM BDC_CLOSE_GROUP.
CALL TRANSACTION 'SM35'.
ENDIF.
ENDFORM. " GENERATE_BDCDATA
*& Form BDC_OPEN_GROUP
text
--> p1 text
<-- p2 text
FORM BDC_OPEN_GROUP.
CALL FUNCTION 'BDC_OPEN_GROUP'
EXPORTING
CLIENT = SY-MANDT
DEST = FILLER8
GROUP = C_SESS
HOLDDATE = FILLER8
KEEP = C_X
USER = SY-UNAME
RECORD = FILLER1
IMPORTING
QID =
EXCEPTIONS
CLIENT_INVALID = 1
DESTINATION_INVALID = 2
GROUP_INVALID = 3
GROUP_IS_LOCKED = 4
HOLDDATE_INVALID = 5
INTERNAL_ERROR = 6
QUEUE_ERROR = 7
RUNNING = 8
SYSTEM_LOCK_ERROR = 9
USER_INVALID = 10
OTHERS = 11
IF SY-SUBRC <> 0.
MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
ENDIF.
ENDFORM. " BDC_OPEN_GROUP
*& Form BDC_INSERT_DATA
text
--> p1 text
<-- p2 text
FORM BDC_INSERT_DATA.
CALL FUNCTION 'BDC_INSERT'
EXPORTING
TCODE = C_XD01
POST_LOCAL = NOVBLOCAL
PRINTING = NOPRINT
TABLES
DYNPROTAB = IT_BDCDATA
EXCEPTIONS
INTERNAL_ERROR = 1
NOT_OPEN = 2
QUEUE_ERROR = 3
TCODE_INVALID = 4
PRINTING_INVALID = 5
POSTING_INVALID = 6
OTHERS = 7
IF SY-SUBRC <> 0.
MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
ENDIF.
ENDFORM. " BDC_INSERT_DATA
*& Form BDC_CLOSE_GROUP
text
--> p1 text
<-- p2 text
FORM BDC_CLOSE_GROUP.
CALL FUNCTION 'BDC_CLOSE_GROUP'
EXCEPTIONS
NOT_OPEN = 1
QUEUE_ERROR = 2
OTHERS = 3
IF SY-SUBRC <> 0.
MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
ENDIF.
ENDFORM. " BDC_CLOSE_GROUP
*& Form FORMAT_MESSAGE
text
--> p1 text
<-- p2 text
FORM FORMAT_MESSAGE.
CLEAR V_LINES.
DESCRIBE TABLE IT_MSG LINES V_LINES.
READ TABLE IT_MSG INDEX V_LINES.
CLEAR V_MSG.
CALL FUNCTION 'FORMAT_MESSAGE'
EXPORTING
ID = IT_MSG-MSGID
LANG = IT_MSG-MSGSPRA
NO = IT_MSG-MSGNR
V1 = IT_MSG-MSGV1
V2 = IT_MSG-MSGV2
V3 = IT_MSG-MSGV3
V4 = IT_MSG-MSGV4
IMPORTING
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EXCEPTIONS
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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.
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text
--> p1 text
<-- p2 text
FORM DISPLAY_ERR_RECS.
LOOP AT IT_ERR_MSG.
WRITE: / IT_ERR_MSG-MESSAGE.
ENDLOOP.
ENDFORM. " DISPLAY_ERR_RECS
Hope this resolves your query.
Reward all the helpful answers.
Regards -
Read an EXCEL file from application server
Hi all
I have to read an excel file from applicatin sever and update my custom tablels.
The problem is when the file is uploaded into the application server .
the fields it has are
name age gender
xyz 67 m.
when seeing the file using al11 tcode :
its showing the following:
###ࡱ##################>#######################################################################################################################
#################################################################O#b#j#I#n#f#o################################################################
How do i read this and put in my internal table
Pleaes help.
Thanks and Regards,Hi,
I am using ECC6.0.
I think the EXCEL file is stored in compressed format to save space.
Please let me know how to decompress etc.
I tried using the function moduel
text_convert_xls_to_sap.
How do I pass the parameter to I_filename.
Regards, -
Getting an Error after reading a excel file
hi
I am reading a excel file using POI
my code is
package businessLogic;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import org.apache.poi.hssf.eventusermodel.HSSFEventFactory;
import org.apache.poi.hssf.eventusermodel.HSSFListener;
import org.apache.poi.hssf.eventusermodel.HSSFRequest;
import org.apache.poi.hssf.record.BOFRecord;
import org.apache.poi.hssf.record.BoundSheetRecord;
import org.apache.poi.hssf.record.LabelSSTRecord;
import org.apache.poi.hssf.record.NumberRecord;
import org.apache.poi.hssf.record.Record;
import org.apache.poi.hssf.record.RowRecord;
import org.apache.poi.hssf.record.SSTRecord;
import org.apache.poi.poifs.filesystem.POIFSFileSystem;
* This example shows how to use the event API for reading a file.
public class EventExample implements HSSFListener
private SSTRecord sstrec;
* This method listens for incoming records and handles them as required.
* @param record The record that was found while reading.
public void processRecord(Record record)
try
switch (record.getSid())
// the BOFRecord can represent either the beginning of a sheet or the workbook
case BOFRecord.sid:
BOFRecord bof = (BOFRecord) record;
if (bof.getType() == bof.TYPE_WORKBOOK)
System.out.println("Encountered workbook");
// assigned to the class level member
} else if (bof.getType() == bof.TYPE_WORKSHEET)
System.out.println("Encountered sheet reference");
break;
case BoundSheetRecord.sid:
BoundSheetRecord bsr = (BoundSheetRecord) record;
System.out.println("New sheet named: " + bsr.getSheetname());
break;
case RowRecord.sid:
RowRecord rowrec = (RowRecord) record;
System.out.println("Row found, first column at " + rowrec.getFirstCol() + " last column at " + rowrec.getLastCol());
break;
case NumberRecord.sid:
NumberRecord numrec = (NumberRecord) record;
System.out.println("Cell found with value " + numrec.getValue()+ " at row " + numrec.getRow() + " and column " + numrec.getColumn());
break;
// SSTRecords store a array of unique strings used in Excel.
case SSTRecord.sid:
sstrec = (SSTRecord) record;
for (int k = 0; k < sstrec.getNumUniqueStrings(); k++)
System.out.println("String table value " + k + " = " + sstrec.getString(k));
break;
case LabelSSTRecord.sid:
LabelSSTRecord lrec = (LabelSSTRecord) record;
System.out.println("String cell found with value " + sstrec.getString(lrec.getSSTIndex()));
break;
catch(Exception ex)
* Read an excel file and spit out what we find.
* @param args Expect one argument that is the file to read.
* @throws IOException When there is an error processing the file.
public static void main(String[] args) throws IOException
// create a new file input stream with the input file specified
// at the command line
try
FileInputStream fin = new FileInputStream("C:/FTERPending/FTER format.xls");
// create a new org.apache.poi.poifs.filesystem.Filesystem
POIFSFileSystem poifs = new POIFSFileSystem(fin);
// get the Workbook (excel part) stream in a InputStream
InputStream din = poifs.createDocumentInputStream("Workbook");
// construct out HSSFRequest object
HSSFRequest req = new HSSFRequest();
// lazy listen for ALL records with the listener shown above
req.addListenerForAllRecords(new EventExample());
// create our event factory
HSSFEventFactory factory = new HSSFEventFactory();
// process our events based on the document input stream
factory.processEvents(req, din);
// once all the events are processed close our file input stream
fin.close();
// and our document input stream (don't want to leak these!)
din.close();
System.out.println("done.");
catch(Exception ex)
It prints correctly the output at the console and after that it throws an exception as
java.lang.reflect.InvocationTargetException
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
at java.lang.reflect.Constructor.newInstance(Unknown Source)
at org.apache.poi.hssf.record.RecordFactory.createRecord(RecordFactory.java:224)
at org.apache.poi.hssf.eventusermodel.HSSFEventFactory.genericProcessEvents(HSSFEventFactory.java:183)
at org.apache.poi.hssf.eventusermodel.HSSFEventFactory.processEvents(HSSFEventFactory.java:101)
at businessLogic.EventExample.main(EventExample.java:103)
Caused by: java.lang.ArrayIndexOutOfBoundsException
at java.lang.System.arraycopy(Native Method)
at org.apache.poi.hssf.record.UnknownRecord.<init>(UnknownRecord.java:62)
at org.apache.poi.hssf.record.SubRecord.createSubRecord(SubRecord.java:57)
at org.apache.poi.hssf.record.ObjRecord.fillFields(ObjRecord.java:99)
at org.apache.poi.hssf.record.Record.fillFields(Record.java:90)
at org.apache.poi.hssf.record.Record.<init>(Record.java:55)
at org.apache.poi.hssf.record.ObjRecord.<init>(ObjRecord.java:61)
... 8 more
I am not getting why this exception is cming
can anyone help me pls replyDoes your Excel file has the "AutoFilter" activated?
If that is the problem, you have here a solution for reading a file with AutoFilter : http://article.gmane.org/gmane.comp.jakarta.poi.user/4690 -
Error While reading an Excel file from KM Folder.
Hi Guru's,
In my PDK Application I am trying to read an Excel file from KM Folder.
Workbook workbook = Workbook.getWorkbook(new File("/irj/go/km/docs/documents/test/Test.xls"));
It gives an error:
Error:java.io.FileNotFoundException: \irj\go\km\docs\documents\test\Test.xls (The system cannot find the path specified)
Details of appli:
In my JspDynpage I am calling a utility Java file.
There I have to read an Excel and to passit to JSP.
Details of jar files used:
jxl-2.6
com.sap.security.api.jar
Regards,
RamHi,
You are trying to read file wrong way. In the tutorial of Java Excel Api: "JExcelApi can read an Excel spreadsheet from a file stored on the local filesystem or from some input stream.". You are trying to read from file system. So you must get file input stream then you can read it. Please search forums KM file read. -
Problem in reading the excel file path in WINDOWs machine from UNIX environ
Hello friends,
My requirement is to read each row of the excel sheet and sent that row to the database. I have implemented it by using jxl and apache poi framework. locally in my WINDOWS machine it is working fine..
But when i deploy the code in UNIX machine. My application runs on a Unix server , trying to read the excel file in WINDOWS environment. I am not able to retrieve the file path. for ex : C:\Documents and Settings\sabbanik\My Documents\KARUNAKAR\excel.xls
I am getting error in this line
workbook = Workbook.getWorkbook(filepath)
Error message : input file not found.
Thanks in advance..You said: I am getting error in this line workbook = Workbook.getWorkbook(filepath) >
Based on this, I will assume you are trying to use OLE to access information about the Excel file. As mentioned by Andreas, your code will be executing on the server (Unix) and since Excel isn't on the server (and cannot be) an error will result. OLE can only be used in Windows environments (client or server). To access client side OLE calls and content, you need a java bean and Excel installed on the client machine. Oracle provides WebUtil as an option to writing your own Java Bean. To use this, you will need to be running Forms 10.1.2 or newer. Details can be found here along with a demo:
http://www.oracle.com/technetwork/developer-tools/forms/webutil-090641.htm
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