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alv's function modules ?

what are the alv's function modules used in reports in real time ?

explain plzzzzzzz iam wirte a code by using alv's i feel very difficult to write a code in alv's expalin plzzzzzzzzz ?send me meterial also ?

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  • Best Answer
    author's profile photo Former Member
    Former Member
    Posted on Nov 25, 2007 at 11:44 AM

    Hi Akash,

    Simple ALV report

    http://www.sapgenie.com/abap/controls/alvgrid.htm

    http://wiki.ittoolbox.com/index.php/Code:Ultimate_ALV_table_toolbox

    ALV Interactive Reports

    alv

    Alv

    ALV Easy Reference Guide OOPS

    https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/e8a1d690-0201-0010-b7ad-d9719a415907

    ALV

    1. Please give me general info on ALV.

    http://www.sapfans.com/forums/viewtopic.php?t=58286

    http://www.sapfans.com/forums/viewtopic.php?t=76490

    http://www.sapfans.com/forums/viewtopic.php?t=20591

    http://www.sapfans.com/forums/viewtopic.php?t=66305 - this one discusses which way should you use - ABAP Objects calls or simple function modules.

    2. How do I program double click in ALV?

    http://www.sapfans.com/forums/viewtopic.php?t=11601

    http://www.sapfans.com/forums/viewtopic.php?t=23010

    Check the program in the following link:

    http://sap-img.com/abap/display-secondary-list-using-alv-grid.htm

    3. How do I add subtotals (I have problem to add them)...

    http://www.sapfans.com/forums/viewtopic.php?t=20386

    http://www.sapfans.com/forums/viewtopic.php?t=85191

    http://www.sapfans.com/forums/viewtopic.php?t=88401

    http://www.sapfans.com/forums/viewtopic.php?t=17335

    http://www.sapdevelopment.co.uk/reporting/alv/alvgrid_basic.htm

    4. How to add list heading like top-of-page in ABAP lists?

    http://www.sapfans.com/forums/viewtopic.php?t=58775

    http://www.sapfans.com/forums/viewtopic.php?t=60550

    http://www.sapfans.com/forums/viewtopic.php?t=16629

    5. How to print page number / total number of pages X/XX in ALV?

    http://www.sapfans.com/forums/viewtopic.php?t=29597 (no direct solution)

    6. ALV printing problems. The favourite is: The first page shows the number of records selected but I don't need this.

    http://www.sapfans.com/forums/viewtopic.php?t=64320

    http://www.sapfans.com/forums/viewtopic.php?t=44477

    7. How can I set the cell color in ALV?

    https://www.sdn.sap.com/irj/sdn/wiki?path=/display/snippets/coloring%2ba%2brow%2band%2bcolumn%2bin%2balv%2b(OOPS)

    8. How do I print a logo/graphics in ALV?

    http://www.sapfans.com/forums/viewtopic.php?t=81149

    http://www.sapfans.com/forums/viewtopic.php?t=35498

    http://www.sapfans.com/forums/viewtopic.php?t=5013

    9. How do I create and use input-enabled fields in ALV?

    http://www.sapfans.com/forums/viewtopic.php?t=84933

    http://www.sapfans.com/forums/viewtopic.php?t=69878

    10. How can I use ALV for reports that are going to be run in background?

    http://www.sapfans.com/forums/viewtopic.php?t=83243

    http://www.sapfans.com/forums/viewtopic.php?t=19224

    11. How can I display an icon in ALV? (Common requirement is traffic light icon).

    http://www.sapfans.com/forums/viewtopic.php?t=79424

    http://www.sapfans.com/forums/viewtopic.php?t=24512

    12. How can I display a checkbox in ALV?

    http://www.sapfans.com/forums/viewtopic.php?t=88376

    http://www.sapfans.com/forums/viewtopic.php?t=40968

    http://www.sapfans.com/forums/viewtopic.php?t=6919

    13. Top-of-page in ALV

    selection-screen and top-of-page in ALV

    14. ALV Group Heading

    http://www.sap-img.com/fu037.htm

    How to add list heading like top-of-page in ABAP lists?

    http://www.sapfans.com/forums/viewtopic.php?t=58775

    http://www.sapfans.com/forums/viewtopic.php?t=60550

    http://www.sapfans.com/forums/viewtopic.php?t=16629

    15. ALV output to PDF conversion

    It has an example code for PDF Conversion.

    http://www.erpgenie.com/abap/code/abap51.htm

    converting the output of alv in pdf

    Go thru these programs they may help u to try on some hands on

    ALV Demo program

    BCALV_DEMO_HTML

    BCALV_FULLSCREEN_DEMO ALV Demo: Fullscreen Mode

    BCALV_FULLSCREEN_DEMO_CLASSIC ALV demo: Fullscreen mode

    BCALV_GRID_DEMO Simple ALV Control Call Demo Program

    BCALV_TREE_DEMO Demo for ALV tree control

    BCALV_TREE_SIMPLE_DEMO

    BC_ALV_DEMO_HTML_D0100

    <b>Reward Points for helpful answers</b>

    Satish

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  • Posted on Nov 25, 2007 at 03:42 PM

    Hi,

    ABAP List Viewer (ALV):

    The common features of report are column alignment, sorting, filtering, subtotals, totals etc. To implement these, a lot of coding and logic is to be put. To avoid that we can use a concept called ABAP List Viewer (ALV).

    This helps us to implement all the features mentioned very effectively.

    Using ALV, We can have three types of reports:

    1. Simple Report

    2. Block Report

    3. Hierarchical Sequential Report

    There are some function modules which will enable to produce the above reports without much effort.

    All the definitions of internal tables, structures and constants are declared in a type-pool called SLIS.

    1. SIMPLE REPORT.

    The important function modules are:

    A. Reuse_alv_list_display

    B. Reuse_alv_fieldcatalog_merge

    C. Reuse_alv_events_get

    D. Reuse_alv_commentary_write

    E. Reuse_alv_grid_display

    A. REUSE_ALV_LIST_DISPLAY

    This is the function module which prints the data.

    The important parameters are :

    I. Export :

    i. I_callback_program : report id

    ii. I_callback_pf_status_set : routine where a user can set his own pf status or change the functionality of the existing pf status

    iii. I_callback_user_command : routine where the function codes are handled

    iv. I_structure name : name of the dictionary table

    v. Is_layout : structure to set the layout of the report

    vi. It_fieldcat : internal table with the list of all fields and their attributes which are to be printed (this table can be populated automatically by the function module REUSE_ALV_FIELDCATALOG_MERGE

    vii. It_events : internal table with a list of all possible events of ALV and their corresponding form names.

    II. Tables :

    i. t_outtab : internal table with the data to be output

    B. REUSE_ALV_FIELDCATALOG_MERGE:

    This function module is used to populate a fieldcatalog which is essential to display the data in ALV. If the output data is from a single dictionary table and all the columns are selected, then we need not exclusively create the field catalog. Its enough to mention the table name as a parameter(I_structure name) in the REUSE_ALV_LIST_DISPLAY. But in other cases we need to create it.

    The important Parameters are:

    I. Export:

    i. I_program_name : report id

    ii. I_internal_tabname : the internal output table

    iii. I_inclname : include or the report name where all the dynamic forms are handled.

    II Changing

    ct_fieldcat : an internal table with the type SLIS_T_FIELDCAT_ALV which is

    declared in the type pool SLIS.

    C. REUSE_ALV_EVENTS_GET:

    Returns table of possible events for a list type

    Parameters :

    I. Import:

    Et_Events: The event table is returned with all possible CALLBACK events

    for the specified list type (column 'NAME'). For events to be processed by Callback, their 'FORM' field must be filled. If the field is initialized, the event is ignored. The entry can be read from the event table, the field 'FORM' filled and the entry modified using constants from the type pool SALV.

    II. Export:

    I_List_type:

    0 = simple list REUSE_ALV_LIST_DISPLAY

    1 = hierarchcal-sequential list REUSE_ALV_HIERSEQ_LIST_DISPLAY

    2 = simple block list REUSE_ALV_BLOCK_LIST_APPEND

    3 = hierarchical-sequential block list

    REUSE_ALV_BLOCK_LIST_HS_APPEND

    D. REUSE_ALV_COMMENTARY_WRITE:

    This is used in the Top-of-page event to print the headings and other comments for the list.

    Parameters :

    I. it_list_commentary : internal table with the headings of the type slis_t_listheader.

    This internal table has three fields :

    Typ : ‘H’ – header, ‘S’ – selection , ‘A’ - action

    Key : only when typ is ‘S’.

    Info : the text to be printed

    E. REUSE_ALV_GRID_DISPLAY:

    A new function in 4.6 version, to display the results in grid rather than as a preview.

    Parameters : same as reuse_alv_list_display

    This is an example for simple list.

    2. BLOCK REPORT

    This is used to have multiple lists continuously.

    The important functions used in this report are:

    A. REUSE_ALV_BLOCK_LIST_INIT

    B. REUSE_ALV_BLOCK_LIST_APPEND

    C. REUSE_ALV_BLOCK_LIST_HS_APPEND

    D. REUSE_ALV_BLOCK_LIST_DISPLAY

    A. REUSE_ALV_BLOCK_LIST_INIT

    This function module is used to set the default gui status etc.

    Parameters:

    I. I_CALLBACK_PROGRAM

    II. I_CALLBACK_PF_STATUS_SET

    III. I_CALLBACK_USER_COMMAND

    B. REUSE_ALV_BLOCK_LIST_APPEND

    This function module adds the data to the block.

    Repeat this function for all the different blocks to be displayed one after the other.

    Parameters :

    Export :

    I. is_layout : layout settings for block

    II. it_fieldcat : field catalog

    III. i_tabname : internal table name with output data

    IV. it_events : internal table with all possible events

    Tables :

    i. t_outtab : internal table with output data.

    C. REUSE_ALV_BLOCK_LIST_HS_APPEND

    This function module is used for hierarchical sequential blocks.

    D. REUSE_ALV_BLOCK_LIST_DISPLAY

    This function module display the list with data appended by the above function.

    Parameters : All the parameters are optional.

    Here the functions REUSE_ALV_FIELDCATALOG_MERGE, REUSE_ALV_EVENTS_GET, REUSE_ALV_COMMENTARY_WRITE can be used.

    3. Hierarchical Reports:

    Hierarchical sequential list output.

    The function module is

    A. REUSE_ALV_HIERSEQ_LIST_DISPLAY

    Parameters:

    I. Export:

    i. I_CALLBACK_PROGRAM

    ii. I_CALLBACK_PF_STATUS_SET

    iii. I_CALLBACK_USER_COMMAND

    iv. IS_LAYOUT

    v. IT_FIELDCAT

    vi. IT_EVENTS

    vii. i_tabname_header : Name of the internal table in the program containing the

    output data of the highest hierarchy level.

    viii. i_tabname_item : Name of the internal table in the program containing the

    output data of the lowest hierarchy level.

    ix. is_keyinfo : This structure contains the header and item table field

    names which link the two tables (shared key).

    II. Tables

    i. t_outtab_header : Header table with data to be output

    ii. t_outtab_item : Name of the internal table in the program containing the

    output data of the lowest hierarchy level.

    slis_t_fieldcat_alv : This internal table contains the field attributes. This internal table can be populated automatically by using ‘REUSE_ALV_FIELDCATALOG_MERGE’.

    Important Attributes :

    A. col_pos : position of the column

    B. fieldname : internal fieldname

    C. tabname : internal table name

    D. ref_fieldname : fieldname (dictionary)

    E. ref_tabname : table (dictionary)

    F. key(1) : column with key-color

    G. icon(1) : icon

    H. symbol(1) : symbol

    I. checkbox(1) : checkbox

    J. just(1) : (R)ight (L)eft (C)ent.

    K. do_sum(1) : sum up

    L. no_out(1) : (O)blig.(X)no out

    M. outputlen : output length

    N. seltext_l : long key word

    O. seltext_m : middle key word

    P. seltext_s : short key word

    Q. reptext_ddic : heading (ddic)

    R. ddictxt(1) : (S)hort (M)iddle (L)ong

    S. datatype : datatype

    T. hotspot(1) : hotspot

    Regards,

    Ferry Lianto

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