cl_alv_table_create=>create_dynamic_table 'Type is unknown' error

Former Member — Tue, 26 Oct 2010 03:40:03 GMT

Dear all,

I tried to create dynamic table using the method 'cl_alv_table_create=>create_dynamic_table'. But when i execute this metod, i encounter an error message 'Type xx is unknown'. Below are my codes:

I have this error message 'Type 'T_D_AR is unknown for T_D_AR-KUNNR'.

Anyone can help?

Your help will be much appreciated.

Thanks

Re: cl_alv_table_create=>create_dynamic_table 'Type is unknown' error

MarcinPciak — Tue, 26 Oct 2010 10:10:43 GMT

I think you are mixing things up


CREATE DATA dataref TYPE (my_tab).

~~This will fail as system doesn't recognize MY_TAB as a global DDIC type (which it expects to receive here)~~

Sorry this is ok (you can type it locally), but still you don't need to generate data reference in order to create dynamic table, the below procedure is enough.


descr_struct_ref ?= cl_abap_typedescr=>describe_by_data( <fs> ).

If this was correctly executed you should generate table_descr_ref using cl_abap_tabledescr method create . Then all you need is


create data dataref type handle table_descr_ref.

... dataref now points to a table, so no need to use cl_alv_table_create=>create_dynamic_table anymore.

Basically you don't need point 1. You first need is to create data object from your type


data my_d_ar type t_d_ar.

descr_struct_ref ?= cl_abap_typedescr=>describe_by_data( my_d_ar ).

..."then proceed as mentioned in point 2

If you still don't feel comfortable with dynamic data generation I recommend reading [Do you really know everything about typing? - part 2|http://www.sdn.sap.com/irj/scn/weblogs?blog=/pub/wlg/20887] [original link is broken] [original link is broken] [original link is broken];.

Regards

Marcin

Edited by: Marcin Pciak on Oct 26, 2010 12:24 PM

Re: cl_alv_table_create=>create_dynamic_table 'Type is unknown' error

Former Member — Wed, 27 Oct 2010 09:01:14 GMT

Thanks a lot, Marcin. Rewarded

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cl_alv_table_create=>create_dynamic_table 'Type is unknown' error

Re: cl_alv_table_create=>create_dynamic_table 'Type is unknown' error

Re: cl_alv_table_create=>create_dynamic_table 'Type is unknown' error