ALV Grid handle_data_changed error?

[Former Member]

Hi all,

I've been working on an implementation of an ALV grid in which the user has the ability to edit certain fields. I want to capture those changed values in my program. I've implemented a lcl_event_handler class and I've defined a method within the class to process the data_changed event. I've also defined and instantiated a handle to the class. I've also registered the mc_evt_enter event with the ALV grid. When I run the grid and change a value the data_changed event fires as you would expect. The trouble is an error message is returned which says "Field ty_pan-gsmng is not defined in the ABAP dictionary". I pass a reference to a custom type I defined within the program to the ALV grid...you guessed the name...ty_plan. One of the editable fields within the custome type is gsmng. I'm curious...do I have to pass a reference to a table or type defined within the ABAP dictionary or can I get this code to work with my custom type?

Thanks in advance...Mat.

[former_member555112]

HI,

If your are talking about the reference field and reference table in the fieldcatlog; then it has to be a specific field and table or structure within the data dictionary.

Regards,

Ankur Parab

[Former Member]

Thanks for the assitance Ankur. I call method set_table_for_first_display and pass i_structure_name with a reference to the custom type ty_plan defined within my program. Seems odd that the type has to be defined within the ABAP dictionary. What if I just want to use a type I define within the program...there is no way to handle that?

Mat

[former_member555112]

HI,

Can you show your handler method?

Regards,

Ankur Parab

[Former Member]

As follows:

DATA: obj_handler TYPE REF TO lcl_event_handler.

CLASS lcl_event_handler IMPLEMENTATION.

METHOD handle_data_changed.

DATA: ls_good TYPE lvc_s_modi.

LOOP AT er_data_changed->mt_good_cells INTO ls_good.

CASE ls_good-fieldname.

• Order Quantity

WHEN 'GSMNG'.

• Order Start

WHEN 'PSTTR'.

• Order Finish

WHEN 'PEDTR'.

• All other fields

WHEN OTHERS.

ENDCASE.

ENDLOOP.

ENDMETHOD.

• Call the method to display the data in ALV grid

CALL METHOD obj_alv_grid->set_table_for_first_display

EXPORTING

is_layout = wa_layo

i_structure_name = 'ty_plan'

is_variant = gs_variant

i_save = gv_save_variant

CHANGING

it_outtab = pt_plan

it_fieldcatalog = pt_fieldcat

it_sort = lt_sort

EXCEPTIONS

invalid_parameter_combination = 1

program_error = 2

OTHERS = 3.

CALL METHOD obj_alv_grid->set_ready_for_input

EXPORTING

i_ready_for_input = 1.

CALL METHOD obj_alv_grid->register_edit_event

EXPORTING

i_event_id = cl_gui_alv_grid=>mc_evt_enter.

CALL METHOD obj_alv_grid->register_edit_event

EXPORTING

i_event_id = cl_gui_alv_grid=>mc_evt_modified.

CREATE OBJECT obj_handler.

SET HANDLER obj_handler->handle_data_changed FOR obj_alv_grid.

[former_member555112]

Hi,

Just try passing the structure name in capital 'TY_PLAN'

Regards,

Ankur Parab

[former_member194669]

Try to create the field catalog this way

  call function 'LVC_FIELDCATALOG_MERGE'
    exporting
      i_structure_name       = 'TY_PLAN'
      i_client_never_display = 'X'
    changing
      ct_fieldcat            = i_fieldcat[].

then

CALL METHOD obj_alv_grid->set_table_for_first_display
EXPORTING
is_layout = wa_layo
is_variant = gs_variant
i_save = gv_save_variant
CHANGING
it_outtab = pt_plan
it_fieldcatalog = pt_fieldcat
it_sort = lt_sort

a®

[Former Member]

Ankur,

As per your recommendation I capitalized the reference to the type...this did not help. I had to define the type in the ABAP dictionary. Thanks.

[Former Member]

Hello,

I'm late on this post, but I think I could have a clue.

In fact, if you don't want to have to declare your structure in the DDIC, you have to be sure in your field catalog that the field REF_TABLE is empty. Otherwise, a check is made against the DDIC, and this message appear.

Had the same issue, and I solved it this way.

Best regards.