topic Re: Dynamic ALv in Application Development and Automation Discussions

Dynamic ALv

Former Member — Thu, 18 Sep 2008 07:28:40 GMT

Hi Gurus,

I want to create Dynamic Alv using Grid Layout. Can anyone sent me the sample code.

Regards,

Bhuvana.

Re: Dynamic ALv

Former Member — Thu, 18 Sep 2008 07:30:17 GMT

Hi,

Check this link

Regards,

Anirban

Re: Dynamic ALv

Former Member — Thu, 18 Sep 2008 08:38:22 GMT

Hi,

Just run this sample code you will get an idea of how to go about while creating any type of Dynamic ALV report.

type-pools: slis.

field-symbols: <dyn_table> type standard table,

<dyn_wa>.

data: alv_fldcat type slis_t_fieldcat_alv,

it_fldcat type lvc_t_fcat.

selection-screen begin of block b1 with frame title text-001.

parameters: p_flds(5) type c.

selection-screen end of block b1.

start-of-selection.

*build the dynamic internal table

perform build_dyn_itab.

*write 5 records to the alv grid

do 5 times.

perform build_report.

enddo.

*call the alv grid.

perform call_alv.

************************************************************************

*Build_dyn_itab

************************************************************************

form build_dyn_itab.

data: new_table type ref to data,

new_line type ref to data,

wa_it_fldcat type lvc_s_fcat.

*Create fields .

clear wa_it_fldcat.

wa_it_fldcat-fieldname = 'name1'.

wa_it_fldcat-datatype = 'mara-matnr'.

wa_it_fldcat-intlen = 5.

append wa_it_fldcat to it_fldcat .

*clear wa_it_fldcat.

wa_it_fldcat-fieldname = sy-index.

wa_it_fldcat-datatype = 'CHAR'.

wa_it_fldcat-intlen = 5.

append wa_it_fldcat to it_fldcat .

do p_flds times.

clear wa_it_fldcat.

wa_it_fldcat-fieldname = sy-index.

wa_it_fldcat-datatype = 'CHAR'.

wa_it_fldcat-intlen = 6.

append wa_it_fldcat to it_fldcat .

enddo.

*Create dynamic internal table and assign to FS

call method cl_alv_table_create=>create_dynamic_table

exporting

it_fieldcatalog = it_fldcat

importing

ep_table = new_table.

assign new_table->* to <dyn_table>.

*Create dynamic work area and assign to FS

create data new_line like line of <dyn_table>.

assign new_line->* to <dyn_wa>.

endform.

*********************************************************************

*Form build_report

*********************************************************************

form build_report.

data: fieldname(20) type c.

data: fieldvalue(5) type c.

data: index(3) type c.

field-symbols: <fs1>.

do p_flds times.

index = sy-index.

*Set up fieldvalue

concatenate 'FLD' index into

fieldvalue.

condense fieldvalue no-gaps.

assign component index of structure <dyn_wa> to <fs1>.

<fs1> = fieldvalue.

enddo.

*Append to the dynamic internal table

append <dyn_wa> to <dyn_table>.

endform.

************************************************************************

*CALL_ALV

************************************************************************

form call_alv.

data: wa_cat like line of alv_fldcat.

do p_flds times.

clear wa_cat.

wa_cat-fieldname = sy-index.

wa_cat-seltext_s = sy-index.

wa_cat-outputlen = '6'.

append wa_cat to alv_fldcat.

enddo.

*Call ABAP List Viewer (ALV)

call function 'REUSE_ALV_GRID_DISPLAY'

exporting

it_fieldcat = alv_fldcat

tables

t_outtab = <dyn_table>.

endform.

Also check the following link might help you.

With best wishes,

Murthy.

Re: Dynamic ALv

Former Member — Fri, 19 Sep 2008 16:56:23 GMT

Hi,

Check the following steps.

Steps:-

1. Create your field catalog either manually or automatically using the function module, LVC_FIELDCATALOG_MERGE. Add more rows to the field catalog table (T_FIELDCAT) at run time.

2. Use the field catalog to create a table dynamically using the method below.

DATA: T_OUTPUT TYPE REF TO DATA 
FIELD-SYMBOLS: <T_OUTPUT> TYPE TABLE 

Call Method CL_ALV_TABLE_CREATE->CREATE_DYNAMIC_TABLE 
   Exporting 
      IT_FIELDCATALOG = T_FIELDCAT 
   Importing 
      EP_TABLE = T_OUTPUT. 

ASSIGN T_OUTPUT->* TO <T_OUTPUT>.

Now the field symbol <T_OUTPUT> is pointing to an output table of the structure that contains the fields which were determined at runtime. Now fill this table with the data and pass <T_OUTPUT> to the method SET_TABLE_FOR_FIRST_DISPLAY and the ALV grid should show the data properly.

Example:

* the content of itab will be fields of the new table
loop at itab1 into wa1.
  Gs_FIELDCAT-TABNAME     = 'itab2'.
  GS_FIELDCAT-FIELDNAME = wa1-packid.
  GS_FIELDCAT-OUTPUTLEN = 2.
  GS_FIELDCAT-KEY         = space.
  GS_FIELDCAT-SELTEXT_L = wa1-packid.
  GS_FIELDCAT-COL_POS     =  1.
  GS_FIELDCAT-JUST        = 'L'.
  APPEND GS_FIELDCAT TO GT_FIELDCAT.
endloop.

 LOOP AT GT_FIELDCAT INTO GS_FIELDCAT.
     MOVE-CORRESPONDING GS_FIELDCAT TO ls_fcat.
     APPEND ls_fcat TO lt_fieldcat.
 ENDLOOP.

CALL METHOD cl_alv_table_create=>create_dynamic_table
       EXPORTING
            it_fieldcatalog = lt_fieldcat
       IMPORTING 
            ep_table = t_output.

Fill the dynamic internal table with the data.

Now pass the fieldcatalog and internal table to the FM or method.

Hope this helps.

Regards,

Kinshuk