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String in non-RFC table types

Hello all,

I have a structure that also have two members of ABAP type String (yes, that string, not char255 or so 😊). When I declare a table type inheriting from that type, everything is quite fine, so it seems table having dyn. Strings is okay as far as I do not want to do RFC with it.

Now, when I create a function module and want to use that table type, the compiler gives me that error message upon syntax check:


when using "WITH HEADER LINE", the line type cannot be a table type


Now, that is no ABAP that I have written but the auto-generator for the include. That line it complains, there is just no definition with a header line. So, is using the String type possible at all? I think this is an error having indirectly to do with it, since I know the difference on table with and without header line/work area and so...

Btw.: this is a 4.7 Release I am talking about.

😔 Thanks and regards,


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    author's profile photo Former Member
    Former Member
    Posted on Oct 07, 2005 at 04:14 PM


    it is possible:

    1. define your structure ZZ_DDIC_STRING with strings in DDIC

    2. define a table type ZZ_DDIC_STRING_TAB using this structure ZZ_DDIC_STRING

    3. define a RFC FM with Imp/Exp-parameters (not a Table-Param) using this table type ZZ_DDIC_STRING_TAB

    4. call the FM:

    DATA: lt_string_tab type ZZ_DDIC_STRING_TAB,
          ls_string_tab type line of lt_string_tab.
    ls_string_tab-string1 = 'some text'.
    ls_string_tab-string2 = 'some more text'.
    append ls_string_tab to lt_string_tab.
          I_STRING_TAB = lt_string_tab[]
          E_STRING_TAB = lt_string_tab[]

    This will work with almost any deep structure too.



    P.S.: pls. post Reward Points if this was usefull! Thanks!

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    • Former Member Former Member


      Done 😊

      Now the radiobuttons were back again. In my login from this afternoon they were gone cos being saved in the session so, the rewarding process just worked half-way: not stored in DB but session flag saved :-).

      Regards, Timo

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