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ABAP Message, Debugging, File Transfer and Type Group

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ABAP Message, Debugging, File Transfer and Type Group

  1. 1. ABAP Chapter 6  Message  Debugging  File Transfer  Type Group
  2. 2. Message in ABAP
  3. 3. User Messages  If user has entered inconsistent values,you output a dialog message with MESSAGE statement  Dialog messages are stored in table T100 report ztest. (Transaction : SE91) …. AT SELECTION-SCREEN. … message e000(38) with ‘----’ ‘---’ ‘---’ ‘---’. …
  4. 4. Message Type Syntax Message [ A<nnn> ](message class) with <field1> <field2> … E, W, I, S
  5. 5. Messages Type - A(Abend) Message A000(38)... Program Start Selection Screen A Message Exit
  6. 6. Messages Type - E(Error) Message E000(38) ... Program Start Selection New input Screen Require E Message
  7. 7. Messages Type - W(Warning) Message W000(38)... Program Start Selection New input Screen possible W Message Enter List
  8. 8. Messages Type - I(Information) Message I000(38)... Program Start Selection Screen I Message Enter List
  9. 9. Messages Type - S(Success) Message S000(38)... Program Start Selection Screen List (Next Screen)
  10. 10. Dynamic Message rt ztest1. meters today like sy-datum. lection-screen. oday <> sy-datum. essage e000(38) with ‘Please enter today :’ sy-dat f. -of-selection. e: / ‘Today is :’, today.
  11. 11. Debugging
  12. 12. Debugging Mode
  13. 13. Debugging Mode : Internal Table
  14. 14. Debugging Mode : Internal Table
  15. 15. Debugging Mode : Watchpoint
  16. 16. Watchpoint : SAP ECC 6.0
  17. 17. How to Set Debugging Mode  If you want to test transaction,enter /h in the command field,press ENTER and execute the transaction  Set breakpoints in the program Utilities->Breakpoints->Set  Uses BREAK-POINT statement
  18. 18. ABAP Practice
  19. 19. File Transfer
  20. 20. File Transfer (Application Server) x There are 3 steps for file transfer  Open File  Read/Write File  Close File
  21. 21. File Transfer Internal Table customers like customers occurs 0 with heade g_txt(50). rs filename(128) default ‘customersdata.txt’ election. from customers into table all_customers.
  22. 22. File Transfer Opening a file pen dataset filename for output in text mode encoding default message msg_txt. sy-subrc <> 0. Write: ‘File cannot be opened .Reason :’,msg_ se.
  23. 23. File Transfer * Transferring data to a file Loop at all_customers. Transfer all_customers to filename. Endloop. * Closing a file Close dataset filename. Endif.
  24. 24. Transaction : AL11
  25. 25. File Transfer (Appending Data) pening a file en dataset filename for appending in text m encoding default message msg_txt. sy-subrc <> 0. Write: ‘File cannot be opened .Reason :’,msg_t e.
  26. 26. Reading Data from OS File Reading data from a file rameters filename(128) default ‘customersdata.txt’ lower ca ta msg_txt(50). ta all_customers like customers occurs 0 with header line. art-of-selection. pen dataset filename for input in text mode encoding default message msg_txt. sy-subrc <> 0. Write: ‘File cannot be opened .Reason :’,msg_txt. se.
  27. 27. Reading Data from OS File Do. Read dataset filename into all_customers. if sy-subrc <> 0. Exit. endif. Append all_customers. Enddo. Close dataset filename. Endif.
  28. 28. Deleting OS File rs filename(128) default ‘customersdata.txt’ l -SELECTION. taset filename. c = 0. ‘Delete OK’.
  29. 29. Working with File on Presentation Server
  30. 30. Download Data to PC Download data from PC rameters filename like rlgrap-filename default ‘c:customers.txt’. ta all_customers like customers occurs 0 with header line. ART-OF-SELECTION. elect * from customers into table all_customre
  31. 31. Download Data to PC CALL FUNCTION ‘DOWNLOAD’ Exporting filename = filename Tables data_tab = all_customers Exceptions file_open_error = 1 … others = 5.
  32. 32. Download Data to PC Case sy-subrc. When 1. Write: ‘Error when file opened’. When 2. Write: ‘Error during data transfer’. … When 0. Write: / ‘Data Download Finish’. Endcase.
  33. 33. Upload Data from PC ad data to PC eters filename like rlgrap-filename ult ‘c:customers.txt’. all_customers like customers occurs 0 with he -OF-SELECTION.
  34. 34. Upload Data from PC CALL FUNCTION ‘UPLOAD’ Exporting filename = filename Tables data_tab = all_customers Exceptions file_open_error = 1 … others = 5.
  35. 35. Upload Data from PC Case sy-subrc. When 1. Write: ‘Error when file opened’. When 2. Write: ‘Error during data transfer’. … When 0. Insert customers from table all_customers. … Endcase.
  36. 36. Upload/Download Data in Background Call function ‘WS_DOWNLOAD’ Exporting filename = filename ... and Call function ‘WS_UPLOAD’ Exporting filename = filename ...
  37. 37. Type Group : SE11
  38. 38. Type Group ABAP Program
  39. 39. Exercise IV
  40. 40. Exercise III : User Master usr02-trdat usr02-bname adcp-tel_number
  41. 41. Exercise IV : Drill-Down Report

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