ALV Grid handle_data_changed error?

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.

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.

Similar Messages

ALV Grid OO Error

Hi Guys,
When i am executing the program for ALV grid using OO concepts i got thisn type of error
"Short text
Access via 'NULL' object reference not possible.
What happened?
Error in the ABAP Application Program
The current ABAP program "Z_TEST_PGM" had to be terminated because it has
come across a statement that unfortunately cannot be executed.
Error analysis
An exception occurred that is explained in detail below.
The exception, which is assigned to class 'CX_SY_REF_IS_INITIAL', was not
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procedure "ALVGRID_OO_DISPLAY" "(FORM)", nor was it propagated by a RAISING
clause.
Since the caller of the procedure could not have anticipated that the
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The reason for the exception is:
You attempted to use a 'NULL' object reference (points to 'nothing')
access a component (variable: "GRID").
An object reference must point to an object (an instance of a class)
before it can be used to access components.
Either the reference was never set or it was set to 'NULL' using the
CLEAR statement."
The code for this one is .
Data : grid type ref to cl_gui_alv_grid,
g_custom_container type ref to cl_gui_custom_container,
FCAT TYPE LVC_T_FCAT,
gt_final1 type table of t_Final_out.
Initialization.
v_repid = sy-repid.
set screen '101'.
MODULE STATUS_0101 output.
if g_custom_container is initial .
create object g_custom_container
Exporting
Container_name = 'CCCONTAINER'.
Create Object grid
Exporting
I_Parent = g_custom_container.
Endif.
CALL FUNCTION 'LVC_FIELDCATALOG_MERGE'
EXPORTING
I_STRUCTURE_NAME = 't_final_out'
CHANGING
CT_FIELDCAT = FCAT[].
ENDMODULE.
Perform ALVGRID_OO_Display.
Form ALVGRID_OO_Display.
*set screen '101'.
Call Method grid->set_table_for_first_display
Exporting I_Structure_name = 't_final_out'
Changing it_outtab = gt_final1.
Endform.
't_final_out' is the final output Structure of the Internal table.
Please respond to this thread.
Thanks,
Gopi

t_final_out is a local structure do n't give this structure create a global structure in se11 with the fields used and pass that structure to FM 'LVC_FIELDCATALOG_MERGE'. this will sove your problem.
if helpful reward some points.

ALV Grid OOPS error

Hi all,
I am using ALV oops for displaying table.
CL_GUI_ALV_GRID->set_table_for_first_display.
I have cretaed an Custom Container for this.
Now scenario is like, First i have to display normal classical report when user double click on classical report
it will show alv grid on other screen depending on the row of report user clicks i am picking data and showing it on other screen as ALV grid.
First time its showing correct data when i press back on ALV grid screen and came back on report screen and select other row and double click its not showing anything ..
Please help.
Its required very urgently by client.
Thanks in advance..
Harsh

Hi,
Check whether the internal table in which you are passing data to the grid has the correct data.
Do not call the method set_table_for_first_display once again.
Instead call the method REFRESH_TABLE_DISPLAY.
Call the method SET_TABLE_FOR_FIRST_DISPLAY only once when the ALV grid object is created.
Call the method flush of the class cl_gui_cfw in the PBO after the grid is displayed; after the method SET_TABLE_FOR_FIRST_DISPLAY
Check if this works.
Regards,
Ankur Parab

Alv grid (automatic) message error

I've written a table maintenance program with an editable alv grid as per SAP example (BCALV_EDIT_04).
It works like a charm except for the NON desired message error log on a specific field/column (PROD_NUM) for appended rows. That is, when I click 'ENTER' (or 'check entries' button) a message error log is raised somehow, which I didn't cater for!
I am calling my grid as follows:
*...initialize alv grid
 CALL METHOD g_grid->set_table_for_first_display
 EXPORTING
 is_layout = ps_layout
 it_toolbar_excluding = lt_exclude
 CHANGING
 it_fieldcatalog = pt_fieldcat
 it_outtab = pt_outtab[].
I also cater for changed data event as follows:
SET HANDLER g_event_receiver->handle_data_changed FOR g_grid.
*---register ENTER to raise event DATA_CHANGED.
 CALL METHOD g_grid->register_edit_event
 EXPORTING
 i_event_id = cl_gui_alv_grid=>mc_evt_enter.
As said before, I don't handle any checks for data (or existance) integrity or anything of the sort in my handle_data_changed method. This error seems to be raised almost automatically.
My field catalog is derived from the structure. In the structure, PROD_NUM is defined as Built-in type CHAR 02.
Is there a way to deactivate this error checking?
Nhlanhla Ndlovu

Hi,
Try following code..
*...initialize alv grid
 CALL METHOD g_grid->set_table_for_first_display
 EXPORTING
 is_layout = ps_layout
 it_toolbar_excluding = lt_exclude
 CHANGING
 it_fieldcatalog = pt_fieldcat
 it_outtab = pt_outtab[].
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 g_event_receiver->handle_data_changed FOR g_grid.
*---register ENTER to raise event DATA_CHANGED.
 CALL METHOD g_grid->register_edit_event
 EXPORTING
 i_event_id = cl_gui_alv_grid=>mc_evt_enter.
IF SY-SUBRC <> 0.
MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
ENDIF.
Regards,
Shashank

ALV Grid Control Double click error

Hi
In my Editable ALV Grid Control I input the data ,then click save, the program display error msg if any errors , then i double click in any field ,after that I exit from the program , here i dont want this after double click also the control should be on the same field.Pleace help me out this issue.
THX

But what you will do with the error data. you tell me that.
Don't update some error values to DB.
if you don't want error then check this sample code.
report ztest_alv_edit.
data: it_flight type standard table of sflight.
data: it_fcat type lvc_t_fcat,
      wa_fcat type lvc_s_fcat.
data: grid type ref to cl_gui_alv_grid,
      cont type ref to cl_gui_custom_container.
class lcl_event_receiver definition deferred.
data: g_handler type ref to lcl_event_receiver.
*       CLASS lcl_event_receiver DEFINITION
class lcl_event_receiver definition.
public section.
    methods:
      handle_data_changed
         for event data_changed of cl_gui_alv_grid
             importing er_data_changed.
endclass.                    "lcl_event_receiver DEFINITION
*       CLASS lcl_event_receiver IMPLEMENTATION
class lcl_event_receiver implementation.
method handle_data_changed.
   "this is important
   "this will stop poping the message
   clear er_data_changed->mt_protocol.
endmethod.                    "handle_data_changed
endclass.                    "lcl_event_receiver IMPLEMENTATION
start-of-selection.
select * from sflight
into table it_flight
up to 20 rows.
end-of-selection.
call screen 100.
*&      Module STATUS_0100 OUTPUT
*       text
module status_0100 output.
set pf-status 'STATUS'.
if cont is initial.
    call function 'LVC_FIELDCATALOG_MERGE'
      exporting
        i_structure_name       = 'SFLIGHT'
      changing
        ct_fieldcat            = it_fcat
      exceptions
        inconsistent_interface = 1
        program_error          = 2.
    create object cont
      exporting
        container_name              = 'CONT'
      exceptions
        cntl_error                  = 1
        cntl_system_error           = 2
        create_error                = 3
        lifetime_error              = 4
        lifetime_dynpro_dynpro_link = 5
        others                      = 6
    if sy-subrc ne 0.
* MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
*            WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
    endif.
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        error_cntl_create = 1
        error_cntl_init   = 2
        error_cntl_link   = 3
        error_dp_create   = 4
        others            = 5
    if sy-subrc ne 0.
* MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
*            WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
    endif.
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       changing
         it_outtab                     = it_flight
         it_fieldcatalog               = it_fcat
       exceptions
         invalid_parameter_combination = 1
         program_error                 = 2
         too_many_lines                = 3
    if sy-subrc ne 0.
      message id sy-msgid type sy-msgty number sy-msgno
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    endif.
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     call method grid->register_edit_event
               exporting
                  i_event_id = cl_gui_alv_grid=>mc_evt_enter.
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endif.
endmodule.                 " STATUS_0100 OUTPUT
*&      Module USER_COMMAND_0100 INPUT
*       text
module user_command_0100 input.
"important method to trigger the DATA_CHANGED event
call method grid->check_changed_data.
case sy-ucomm.
    when 'BACK'.
      leave to screen 0.
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endmodule.                 " USER_COMMAND_0100 INPUT

Error when double clicking any field in Alv grid

Hi All,
I have created a custom container. To that custom container I am displaying an alv grid with all editable fields using oops concept.
Hence when I am double clicking on any on the field of the table I am getting a dump " an exception condition ERROR raised in CL_GUI_ALV_GRID_BASE in method SET_DRAG_DROP_ROWS".
Kindly help

Hi,
Check the PF-STATUS. It seems that you have assigned F6 shortcut key for some event.
Remove the F6 assignment & activate the pf-status.
Best regards,
Prashant

Runtime error while trying to execute custom F4 help in OOP ALV grid.

Dear All,
I am trying to add custom search help for one of my column in ALV grid. I'm using OOP ALV, when i click for search help for that column, the system shows runtime error like below.
I am new to OOP concept and tried to follow program BCALV_EDIT_03. But not getting this error occur. Please help me.
With regards.

Hi,
In order to be able to provide a search help for a field in an ALV you must do the following things.
1) The field where F4 help need to be attached needs to be made editable.
2) Create an event handler class to handle the ONF4 event. You can refer the following code:
 CLASS lcl_alv1_handler DEFINITION.
 PUBLIC SECTION.
 "Tohandle F4 helps
 METHODS handle_f4 FOR EVENT onf4 OF cl_gui_alv_grid
 IMPORTING e_fieldname e_fieldvalue es_row_no er_event_data
 et_bad_cells e_display.
 ENDCLASS.
 CLASS lcl_alv1_handler IMPLEMENTATION.
 METHOD handle_f4.
CASE e_fieldname.
 WHEN 'LIFNR'. "Set F4 for courier vendor
 SELECT lifnr name1 FROM lfa1 INTO TABLE lt_lifnr.
 IF lt_lifnr IS NOT INITIAL.
 CALL FUNCTION 'F4IF_INT_TABLE_VALUE_REQUEST'
 EXPORTING
 retfield = 'LIFNR'
 window_title = 'Vendors'
 value_org = 'S'
 TABLES
 value_tab = lt_lifnr
 return_tab = lt_return
 EXCEPTIONS
 parameter_error = 1
 no_values_found = 2
 OTHERS = 3.
 IF sy-subrc = 0.
 READ TABLE gt_final INTO wa_final_t INDEX es_row_no-row_id.
 IF sy-subrc = 0.
 READ TABLE lt_return INTO wa_return INDEX 1.
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 CALL FUNCTION 'CONVERSION_EXIT_ALPHA_INPUT'
 EXPORTING
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 output = lv_lifnr.
 wa_final_t-lifnr = lv_lifnr.
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 ENDIF.
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 ENDIF.
 ENDIF.
 ENDCASE.
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 ENDMETHOD.
 ENDCLASS.
 In the above method, GT_FINAL-LIFNR is being overwritten by the LIFNR you had selected from F4 help. So we will call the refresh_table_display after it to see the result in the ALV.
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 need to declare an internal table based on lvc_t_f4. Use the following code. Here O_ALV is my ALV object.:
 CREATE OBJECT o_container
 EXPORTING
 container_name = 'CUSTCON'
 EXCEPTIONS
 cntl_error = 1
 cntl_system_error = 2
 create_error = 3
 lifetime_error = 4
 lifetime_dynpro_dynpro_link = 5
 OTHERS = 6.
 IF sy-subrc <> 0.
* MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
* WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
 ENDIF.
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 EXPORTING
 i_parent = o_container
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 error_cntl_create = 1
 error_cntl_init = 2
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* MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
* WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
 ENDIF.
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 wa_f4-fieldname = 'LIFNR'.
 wa_f4-register = 'X'.
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 Here I am assigning F4 to LIFNR field in the final internal table that is displayed using ALV.
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I hope that this will solve your issue. Revert if this is solved.
Rgards,
Abijith

Run-time error while executing alv grid report

Hi everyone
I m trying to run a alv grid report it is giving a run time error while executing the statement CALL METHOD V_ALV->SET_TOOLBAR_INTERACTIVE.
Actually i added 2 buttons in the toolbar.after that when i execute the report i m getting errors.
Error Analysis
An exception occurred that is explained in detail below.
The exception, which is assigned to class 'CX_SY_REF_IS_INITIAL', was not
caught in
procedure "TOOLBAR_MENUS_INIT" "(METHOD)", nor was it propagated by a RAISING
clause.
Since the caller of the procedure could not have anticipated that the
exception would occur, the current program is terminated.
The reason for the exception is:
You attempted to use a 'NULL' object reference (points to 'nothing')
access a component (variable: "ME->M_CL_MENU_BUTTON_VARIANT").
An object reference must point to an object (an instance of a class)
before it can be used to access components.
Either the reference was never set or it was set to 'NULL' using the
CLEAR statement.

Hi Dinesh,
Seems you have not initialised ( Instantiated in OO ) the object and / or the parent container.
Check if you have create object for both the parent as well as the alv object.
So when you instatntiate the object of ALV you pass the object ( instantiated before hand ) in the parent container position.
Also you would have to register the events to the object using method. Then only the buttons will finction.
eg :
IF G_CUSTOM_CONTAINER IS INITIAL.
 CREATE OBJECT CUSTOM_CONTAINER_1
 EXPORTING CONTAINER_NAME = CONTAINER_1.
 CREATE OBJECT GRID1
 EXPORTING I_PARENT = CUSTOM_CONTAINER_1.
 CALL METHOD ALV_GRID1->SET_TABLE_FOR_FIRST_DISPLAY
 EXPORTING I_STRUCTURE_NAME = 'VBAK
 CHANGING IT_OUTTAB = IT_VBAK.
Reward points if useful.

Display error message in ALV grid using OOPS

Hi,
I have a requirement to display report in ALV. I have created ALV grid using OOPS with three editable cells and 1 button on toolbar. When user enter values in Ediatble cell and click on the Toolbar button, sales order item should be assigned to contract.
When the user select the row and click on toolbar button, a salesorder item should be assigned to contract and i am using BAPI and fine with BAPI. All the error message should be displayed in a popup and the corresponding failed row should change its color .
Once the user identified the failed row, he can edit the value in the ediatble cells and should reprocess in the same screen ( without going back to selection screen).
To display POP Up, I am using FM BAL_LOG_CREATE, BAL_LOG_MSG_ADD, BAL_DSP_PROFILE_NO_TREE_GET, BAL_CNTL_CREATE.
by using above 4 FM , i can display POP UP. but i cannot change the color of the failed row.
Once I identified the failed row and reprocess from the same screen , I am successful in processing the failed row, but my error log still has the reprocessed row as failed row because, error log is not refreshing.
Please suggest me how to clear error log which was created by using the above FM's and change the color of the failed row .
Thanks in Advance

Hi
Please suggest me how to clear error log which was created by using the above FM's....
U can use BAL_LOG_REFRESH
....and change the color of the failed row
You need to insert a new field for Colour Attributes in your output table and input its name in the layout structure:
IS_LAYOUT-INFO_FNAME = <field name for colour>
The field has to be a CHAR 3 and its value can be -
> Cxy
C is a constant
x is the colour number (from 1 to 9)
y is intensified (0 = off, 1 = on)
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Error in field catalog in ALV grid display using classes at do_sum = "X'.

Hi,
I'm using classes in ALV Grid display.
the code for the field catalog is going to dump because of the statement in the field catalog for field 'netwr',do_sum = 'X'.
that do_sum = 'X' is not working and going to dump when executed.with out that do_sum it is working fine. the error in dump analysys is showing sap standard incude LSLVCF01.
 assign component
 <ls_fieldcat>-fieldname of structure rt_data to <g_field>.
 if sy-subrc ne 0.
 message x000(0k).
 endif.
sy-subrc is 4 when the program is being executed.
CODE:
FORM prepare_field_catalog CHANGING pt_fieldcat TYPE lvc_t_fcat.
DATA ls_fcat TYPE lvc_s_fcat.
ls_fcat-fieldname = 'VBELN1'.
ls_fcat-ref_field = 'VBELN'.
ls_fcat-ref_table = 'VBRK'.
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ls_fcat-seltext = 'Invoice No'.
APPEND ls_fcat TO pt_fieldcat.
CLEAR ls_fcat.
ls_fcat-fieldname = 'BUDAT'.
ls_fcat-ref_table = 'BKPF'.
ls_fcat-coltext = 'Invoice Date'.
ls_fcat-seltext = 'Invoice Date'.
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CLEAR ls_fcat.
ls_fcat-fieldname = 'NETWR'.
ls_fcat-ref_field = 'NETWR'.
ls_fcat-ref_table = 'VBRK'.
ls_fcat-coltext = 'Value of Invoice'.
ls_fcat-seltext = 'Value of Invoice'.
ls_fcat-datatype = 'CURR'.
ls_fcat-do_sum = 'X'.
APPEND ls_fcat TO pt_fieldcat.
CLEAR ls_fcat.
ENDFORM.
can u please look in the code and rectify the error,
would appeciate ur response.
regards,
veera.

Hi,
try this..
ls_fcat-fieldname = 'NETWR'.
ls_fcat-ref_field = 'NETWR'.
ls_fcat-ref_table = 'VBRK'.
ls_fcat-coltext = 'Value of Invoice'.
ls_fcat-seltext = 'Value of Invoice'.
ls_fcat-datatype = 'CURR'.
ls_fcat-do_sum = 'X'.
ls_fcat-cfieldname = 'WAERS'.
APPEND ls_fcat TO pt_fieldcat.
CLEAR ls_fcat.
Regards
vijay

Error While ALV Grid is exported to Excel.

Hi Experts,
I get an error OBJECTS_NOT_CHARLIKE , while I try to download an ALV Grid , to an excel file using the standard icon Export present on the ALV Grid.
Regards.
Edited by: sunitha j on May 19, 2009 1:15 PM

This happens when your output list contains qty. or amount fields.
To fix the error use sap table name instead of your internal table name while preparing field catalog.
In case you are forced to use int. table name while preparing field catalog , add "quantity" field for qty figures and "currency" field for amount figures.
Example :
it_catalog-fieldname = 'MENGE'.
it_catalog-quantity = 'NOS'.
it_catalog-tabname = 'i_bseg'.
it_catalog-seltext_s = 'Quantity'.
APPEND it_catalog TO it_fieldcat.
it_catalog-fieldname = 'DMBTR'.
it_catalog-tabname = 'i_bseg'.
it_catalog-seltext_s = 'Amount'.
it_catalog-currency = 'INR'.
APPEND it_catalog TO it_fieldcat.

CL_SALV_BS_TT_RESULT_TABLE====CP error while downloading data from ALV grid

Hi ,
I am facing a problem when ever i am going to donload data from ALV grid to excel file.I am getting CL_SALV_BS_TT_RESULT_TABLE====CP error in GET_CELL_VALUE. Could you please provide me is there any OSS note or any patch required to solve this issue.
Thanks in Advance,
Venkatarao.

Hi,
Just refer to OSS note 1356898 for guidelines.
Regards,
Vasanth

Error in clicking save to local file button in alv grid?

Hi
I am getting error , While clicking on some buttons like save as local file button in alv grid display
How to rectify it
Thanks in advance

In your REUSE_ALV_GRID_DISPLAY
EXPORTING
I_SAVE = 'U'
put this field....and then check it will definitely work...

Error in clicking save to local file button in alv grid? urgent

>>>>> if lr_tabledescr->applies_to_data( <coltab_any> ) eq 'X'.
exactly i am getting error here
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Error in clicking save to local file button and mail receipt button in alv grid?

In your REUSE_ALV_GRID_DISPLAY
EXPORTING
I_SAVE = 'U'
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Time out error in production server for alv grid report

hi. i have developed alv grid report using nested select statments. when i testing in development server it is giving the output but in production server if i give 4 months then it is showing time out error.please help me out..its urgent.
Thanks in advance.

Hi Manu,
Don't use Nested selected statements.
Use the Following Performance Tuning Options that i have given below so that your problem can be solved.
1) Always check the driver internal tables is not empty, while using FOR ALL ENTRIES
2) Avoid for all entries in JOINS
3) Try to avoid joins and use FOR ALL ENTRIES.
4) Try to restrict the joins to 1 level only ie only for tables
5) Avoid using Select *.
6) Avoid having multiple Selects from the same table in the same object.
7) Try to minimize the number of variables to save memory.
8) The sequence of fields in 'where clause' must be as per primary/secondary index ( if any)
9) Avoid creation of index as far as possible
10) Avoid operators like <>, > , < & like % in where clause conditions
11) Avoid select/select single statements in loops.
12) Try to use 'binary search' in READ internal table. Ensure table is sorted before using BINARY SEARCH.
13) Avoid using aggregate functions (SUM, MAX etc) in selects ( GROUP BY , HAVING,)
14) Avoid using ORDER BY in selects
15) Avoid Nested Selects
16) Avoid Nested Loops of Internal Tables
17) Try to use FIELD SYMBOLS.
18) Try to avoid into Corresponding Fields of
19) Avoid using Select Distinct, Use DELETE ADJACENT

Reward Points for sure if you find it useful. 
Regards
Babu

ALV Grid handle_data_changed error?

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