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Reg : Fieldcatlog merge

Hi,

What is the specific use of fieldcatlog merge as we can do manual filling of fieldcat?

in what conditions we have to use?

regrds

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    author's profile photo Former Member
    Former Member
    Posted on Jun 17, 2008 at 12:13 PM

    Hi,

    By using fieldcatalog merge the function module gives you a default fieldcatalog by reading from the system.

    It is very useful because in manual fieldcatalog you have to code for each and every field whether the field is for simple display .

    But the FM merge gives a readymade fieldcatalog with simple display attribute.

    If you want to do some thing special then you just need to loop at the fieldcatalog table and just modify the record for that field.

    I hope this will help you.

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  • author's profile photo Former Member
    Former Member
    Posted on Jun 17, 2008 at 12:11 PM

    hiiiiii

    REUSE_ALV_FIELDCATALOG_MERGE

    This function module is used to populate a fieldcatalog which is essential to display data in ALV display.if data is from different tables then we need to use this merge. 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 in REUSE_ALV_LIST_DISPLAY. in other cases we dont need to create it.

    reward if useful

    thx

    twinkal

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  • author's profile photo Former Member
    Former Member
    Posted on Jun 17, 2008 at 12:13 PM

    Hi

    Go through the link given below :

    http://help.sap.com/saphelp_erp2004/helpdata/en/ff/4649a6f17411d2b486006094192fe3/content.htm

    you will find the information about field catelog merge.

    Rewards if useful.

    With Regards

    Nikunj Shah

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  • author's profile photo Former Member
    Former Member
    Posted on Jun 17, 2008 at 12:13 PM

    Hi abap learner,

    welcome to sdn.

    happy learning.

    REUSE_ALV_FIELDCATALOG_MERGE DETAILED DESCRIPTION.

    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:

    1. Export:

    a. I_program_name : report id

    b. I_internal_tabname : the internal output table

    c. I_inclname : include or the report name where all the dynamic.

    thanks

    shankar

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