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Editorial Team
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Asked: 2026-05-30T02:07:28+00:00

I’ve been trying to make a dynamic col for a select. it’s just for

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I’ve been trying to make a dynamic col for a select. it’s just for learning.
I’ve made a selection screen with some select-options and checkbox parameters. whenever i have a checked checkbox i want to concatenate a string to my lineselection var.

lineselect = ' CARRID CONNID'.
SELECTION-SCREEN BEGIN OF BLOCK block1 WITH FRAME TITLE text-001.
[...]
SELECTION-SCREEN END OF BLOCK block1.

IF cbcofr EQ 'X'. "where cbcofr is checkbox
CONCATENATE text-cb1 INTO lineselect SEPARATED BY space. "where text-cb1 is 'CONTRYFR
ENDIF.

When i check for error the compiler just says “Unable to interpret “text-cb1″. possible cause: incorrect spelling or comma error.”

Is not about text-cb1 , i’ve tried with string ‘COUNTRYFR’ and says the same thing. I don’t get where my error is.

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1 Answer

  1. Editorial Team

    The syntax for concatenate is as follows:

    CONCATENATE c1 c2 [... cn] INTO targetc [SEPARATED by sep].

    or 

    CONCATENATE lines of itab into targetc [SEPARATED by sep].

    As you have already noted, you need at least two source variables to concatenate.

    Full documentation can be found here

    As of Netweaver release 7.02 you can also do this:

    targetc = c1 && [c2 ... && cn].

    In this case, you lose the “separator” functionality, though.

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