Control Framework: Fatal error - GUI cannot be reached-ALV Grid in Bckgrnd

[former_member125661]

I have an ALV grid which dumps in the background. But works fine in the foreground.

I thought I am not using Control framework anywhere. But I get 'COntrol framework :Fatal error - GU cannot be reached' error.

I am using a docking container that I have split using a splitter.

I have no custom container in my screen. What else could be causing the Control framework error ? Any suggestions is appreciated. But please do not tell me to use 'REUSE_ALV*' or Classical reporting

Here are the PBO modules of my screen and here are my data declarations.

ALV Data declarations :

data :gt_sort type lvc_t_sort,
        gr_event_handler TYPE REF TO lcl_event_handler ,
     o_docking type ref to cl_gui_docking_container,"Docking Container
     o_grid type ref to cl_gui_alv_grid,"Grid
     o_split type ref to cl_gui_easy_splitter_container,"Splitter
     o_top_container type ref to cl_gui_container,   "Top Container
     o_bottom_container type ref to cl_gui_container,"Bottom Container
     o_document type ref to cl_dd_document.          "Document

module status_0100 output.

if o_docking is initial.

set pf-status 'ZSTATUS_0100'.

set titlebar 'ZTITLE_0100'.

• Creating Objects

perform create_objects.

• Filling top of page

perform fill_top_of_page.

• Filling the fieldcatalog table

• perform build_fieldcat. "we already got'em

• Displaying the output

perform display_output.

endif.

Here is the Form Create_objects called in the PBO.

form create_objects .

• Creating Docking Container

CREATE OBJECT o_docking

EXPORTING

RATIO = '95'.

IF sy-subrc eq 0.

• Splitting the Docking container

CREATE OBJECT o_split

EXPORTING

PARENT = o_docking

sash_position = 25 "Position of Splitter Bar (in Percent)

with_border = 0. "With Border = 1 Without Border = 0

• Placing the containers in the splitter

o_top_container = o_split->top_left_container .

o_bottom_container = o_split->bottom_right_container .

• Creating Grid

CREATE OBJECT o_grid

EXPORTING

i_parent = o_bottom_container.

• Creating the document

CREATE OBJECT o_document

EXPORTING

style = 'ALV_GRID'.

CREATE OBJECT gr_event_handler .

ENDIF.

endform. " create_objects

form fill_top_of_page .

data : lv_char(255) type c.

• Calling the methods for dynamic text

CALL METHOD o_document->add_gap

EXPORTING

width = 140.

CALL METHOD o_document->add_text

EXPORTING

text = 'Plant Attainment Report '

sap_fontsize = 'Large'

sap_color = cl_dd_area=>list_key_int

sap_emphasis = cl_dd_area=>strong. " For bold

• Display the data

CALL METHOD o_document->display_document

EXPORTING

parent = o_top_container.

• Calling the method of ALV to process top of page

CALL METHOD o_grid->list_processing_events

EXPORTING

i_event_name = 'TOP_OF_PAGE'

i_dyndoc_id = o_document.

endform. " fill_top_of_page

form display_output .

gx_variant-report = sy-repid.

gs_layout-zebra = 'X'.

gs_layout-sel_mode ='X'.

gs_layout-cwidth_opt = 'X'.

call method o_grid->set_table_for_first_display

exporting

is_variant = gx_variant

i_save = 'A'

is_layout = gs_layout

changing

it_fieldcatalog = it_fldcat

it_outtab = <gt_tabletotal>.

IF sy-subrc <> 0.

MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO

WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.

ENDIF.

SET HANDLER gr_event_handler->handle_print_top_of_page FOR o_grid .

endform. " display_output

Edited by: Shareen Hegde on Jul 23, 2009 5:03 PM (I have no clue why  

.. doesn't work anymore. My code looks messed up..Sorry folks!

[former_member194669]

Your post very difficult to read

If you running in background you need to use IF CL_GUI_ALV_GRID=>OFFLINE( ) IS INITIAL. Then create the container

Please check my reply in the following thread

a®

[former_member125661]

Hi a@s, my post is difficult to read. i agree. It is strange that

 ..

doesn't work for me anymore. I am not creating any custom container as I said.

[Former Member]

Check below code for executing ALV in background

IF V_CUSTOM_CONTAINER IS INITIAL.

IF CL_GUI_ALV_GRID=>OFFLINE( ) IS INITIAL.

CREATE OBJECT V_CUSTOM_CONTAINER

EXPORTING

CONTAINER_NAME = V_CONTAINER.

CREATE OBJECT O_DYNDOC_ID

EXPORTING

STYLE = 'ALV_GRID'.

CREATE OBJECT O_SPLITTER

EXPORTING

PARENT = V_CUSTOM_CONTAINER

ROWS = 2

COLUMNS = 1.

CALL METHOD O_SPLITTER->GET_CONTAINER

EXPORTING

ROW = 1

COLUMN = 1

RECEIVING

CONTAINER = O_PARENT_TOP.

CALL METHOD O_SPLITTER->GET_CONTAINER

EXPORTING

ROW = 2

COLUMN = 1

RECEIVING

CONTAINER = O_PARENT_GRID.

CALL METHOD O_SPLITTER->SET_ROW_HEIGHT

EXPORTING

ID = 1

HEIGHT = 15.

CREATE OBJECT V_GRID

EXPORTING

I_PARENT = O_PARENT_GRID.

ELSE.

CREATE OBJECT V_GRID

EXPORTING

I_PARENT = V_DOC_CONTAINER.

ENDIF.

Edited by: Nilesh Shete on Jul 23, 2009 9:08 PM

[former_member125661]

Nilesh,

If i put all these create objects inside the IF CL_GUI_ALV_GRID=>OFFLINE( ) IS INITIAL. ENDIF , will I be still able to use ,

call method o_grid->set_table_for_first_display
    exporting
      is_variant      = gx_variant
      i_save          = 'A'
      is_layout       = gs_layout
    changing
      it_fieldcatalog = it_fldcat
      it_outtab       = <gt_tabletotal>.

in background ? WIll I not get - OBJECTS_OBJREF_NOT_ASSIGNED erorr ?

How can I call the set_table_for_first_display without creating the object reference ?

Here is my creat object routine.

form create_objects .

* Creating Docking Container
IF CL_GUI_ALV_GRID=>OFFLINE( ) .
  CREATE OBJECT o_docking
         EXPORTING
           RATIO                       = '95'.
  IF sy-subrc eq 0.
* Splitting the Docking container
    CREATE OBJECT o_split
      EXPORTING
       PARENT            = o_docking
       sash_position     = 25 "Position of Splitter Bar (in Percent)
       with_border       = 0. "With Border = 1 Without Border = 0
*   Placing the containers in the splitter
    o_top_container = o_split->top_left_container .
    o_bottom_container = o_split->bottom_right_container .
*   Creating Grid

    CREATE OBJECT o_grid
      EXPORTING
        i_parent          =  o_bottom_container.

*   Creating the document
    CREATE OBJECT o_document
    EXPORTING
        style  = 'ALV_GRID'.

     ENDIF.
     CREATE OBJECT gr_event_handler .
endif.
endform.                    " create_objects

[former_member555112]

Hi,

Incase you have made use of CL_GUI_ALV_GRID and a container the the program will not run in background.

In background it will give a dump.

Regards,

Ankur Parab