Displaying the contents of internal table- in email Step of workflows
Hello Folks,
I wanted to display the contents of an internal table ( would contain a list of opportunites ), in an email sent throught the workflow:
My idea was to LOOP AT <ITAB> into <WA> from an external program and then call the workflow for each content of the <WA>. This will be a problem as, if there are like 1000 records in the internal table, then workflows will be called 1000 times...sending 1000 emails..
My requirement is that we need to send a single email to the single person, displaying the content of the internal table in the email body......
My question
1) Is this scenario possible through worflows ?
2) If not, please provide an alternative ..
Thanks
Anand
Do you mean to say that just by inserting the multiline element
within the body of the 'Send email' step type, the contents
of the multiline element is displayed automatically without
we having to loop at it somehow ?
Follow the below apporach,
1. First create a multiline container element in the workflow conatiner.
2. Populate the internla table , by using the bor methods and pass back the populated ITAB to the WF by using the binding concept.
3. Now create a mail step in the workflow, you have the option of inserting the workflow container elements into the mail conten, so insert the multiline container element , then it prompts to select the option like a) Do you liek to display only first line b) Display the ITAB line by line c) Display ITAB lines continuously with out line break.
4. based upon the requirement select any one of the options.
Note: Make sure the line length of the ITAB won't excced 132 charecters, because the send mail step will consider only 132 characters.
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REPORT zsd_concession1 NO STANDARD PAGE HEADING
LINE-SIZE 285
LINE-COUNT 64
MESSAGE-ID zz.
Program Description ******************************
This report is to Calculate consession against Quotations
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Change Log *********************************
Remedy # / Who When Why / What
Transport #
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posnr TYPE vbap-posnr, "Line Item
matnr TYPE vbap-matnr, "Mat#
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zansigrd TYPE zmarall-zansigrd, "Grade
zcurrvaltnarea TYPE zco002-zcurrvaltnarea,"Val Area
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zzbrndnm TYPE mara-zzbrndnm, "Brand
zqedscgrp TYPE zglbprc-zqedscgrp, "QE Disc Grp
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lprc TYPE konv-kbetr, "List Price ZBP1
sprc TYPE konv-kbetr, "Std Pric ZNAA,ZNAX
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mrgn TYPE konv-kbetr, "margin%
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knumv TYPE konv-knumv, "Cond#
kposn TYPE konv-kposn, "Cond Item#
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kschl TYPE konv-kschl, "Cond Typ
kbetr TYPE konv-kbetr, "Price ZBP1,ZNAA,ZNAX
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BEGIN OF vbpa_wa,
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posnr TYPE vbpa-posnr, "Item#
parvw TYPE vbpa-parvw, "Prt Fn
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posnr TYPE vbap-posnr, "Line Item
matnr TYPE vbap-matnr, "Mat#
zansicat TYPE zmarall-zansicat, "AnsiCat#
zansigrd TYPE zmarall-zansigrd, "Grade
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sprc TYPE konv-kbetr, "Std Pric ZNAA,ZNAX
netpr TYPE vbap-netpr, "Quot price
mrgn TYPE konv-kbetr, "margin%
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ivbpa LIKE STANDARD TABLE OF vbpa_wa,
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vbeln TYPE vbak-vbeln,
ok_code TYPE sy-ucomm,
alv_save TYPE c, "ALV save
alv_variant TYPE disvariant, "ALV Variant
alv_sort TYPE lvc_t_sort, "Sort table
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it_fieldcat TYPE lvc_t_fcat ,
ty_fieldcat TYPE lvc_s_fcat ,
l_smenu TYPE REF TO cl_ctmenu,
c_alv1 TYPE REF TO cl_gui_alv_grid,
c_cont1 TYPE REF TO cl_gui_custom_container,
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it_fcat TYPE lvc_t_fcat ,
ty_fcat TYPE lvc_s_fcat ,
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c_cont2 TYPE REF TO cl_gui_custom_container.
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SELECT vbeln posnr parvw kunnr
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WHERE vbeln IN s_vbeln
AND ( parvw = 'SP' OR "SoldTO
parvw = 'WE' OR "ShipTo
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m1mstav vpkwmeng vp~netpr
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INNER JOIN vbap AS vp
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INNER JOIN zco002 AS z2
ON z2matnr = vpmatnr
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ON zgmatnr = vpmatnr
INNER JOIN mara AS m1
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AND ( kv~kschl EQ 'ZBP1'
OR kv~kschl EQ 'ZNAX'
OR kv~kschl EQ 'ZNAA' ).
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kposn = <vbap>-posnr
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knumv = <vbap>-knumv
kposn = <vbap>-posnr
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text
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<-- p2 text
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ty_fieldcat-row_pos = 1.
ty_fieldcat-col_pos = 10.
ty_fieldcat-fieldname = 'lprc'.
ty_fieldcat-tabname = 'iresult'.
ty_fieldcat-coltext = 'List Price'.
ty_fieldcat-outputlen = 15.
APPEND ty_fieldcat TO it_fieldcat.
CLEAR ty_fieldcat.
ty_fieldcat-row_pos = 1.
ty_fieldcat-col_pos = 11.
ty_fieldcat-fieldname = 'sprc'.
ty_fieldcat-tabname = 'iresult'.
ty_fieldcat-coltext = 'Discount'.
ty_fieldcat-outputlen = 15.
APPEND ty_fieldcat TO it_fieldcat.
CLEAR ty_fieldcat.
ty_fieldcat-row_pos = 1.
ty_fieldcat-col_pos = 12.
ty_fieldcat-fieldname = 'netpr'.
ty_fieldcat-tabname = 'iresult'.
ty_fieldcat-coltext = 'Quot Price'.
ty_fieldcat-outputlen = 15.
APPEND ty_fieldcat TO it_fieldcat.
CLEAR ty_fieldcat.
ty_fieldcat-row_pos = 1.
ty_fieldcat-col_pos = 13.
ty_fieldcat-fieldname = 'mrgn'.
ty_fieldcat-tabname = 'iresult'.
ty_fieldcat-coltext = 'Margin%'.
ty_fieldcat-outputlen = 15.
APPEND ty_fieldcat TO it_fieldcat.
ENDFORM. " alv_100_fieldcat
*& Module PBO_0101 OUTPUT
text
MODULE pbo_0101 OUTPUT.
*Check if the Custom container exists.
IF c_cont2 IS INITIAL.
*Creating container object
CREATE OBJECT c_cont2
EXPORTING
container_name = 'CCONT2'.
IF sy-subrc <> 0.
MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
ENDIF.
*creating ALV grid for interactive list
CREATE OBJECT c_alv2
EXPORTING
i_parent = c_cont2.
IF sy-subrc <> 0.
MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
ENDIF.
*ALV layout
PERFORM alv_101_layout.
*ALV fieldcatalogue
PERFORM alv_101_fieldcat.
*Sorting the output by field position
SORT iresult BY posnr.
*ALV for display field details
CALL METHOD c_alv2->set_table_for_first_display
EXPORTING
is_layout = ty_lay2
CHANGING
it_outtab = iresult[]
it_fieldcatalog = it_fieldcat.
IF sy-subrc <> 0.
MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
ENDIF.
ENDIF.
ENDMODULE. " PBO_0101 OUTPUT
*& Module PAI_0101 INPUT
text
MODULE pai_0101 INPUT.
ENDMODULE. " PAI_0101 INPUT
*& Form alv_101_layout
text
--> p1 text
<-- p2 text
FORM alv_101_layout.
ty_lay2-grid_title = 'Line Details'.
ty_lay2-zebra = 'X'.
ty_lay2-no_toolbar = 'X'.
ENDFORM. " alv_101_layout
*& Form alv_101_fieldcat
text
--> p1 text
<-- p2 text
FORM alv_101_fieldcat.
REFRESH it_fieldcat.
REFRESH it_fcat.
CLEAR ty_fcat.
CLEAR ty_fieldcat.
ty_fieldcat-row_pos = 1.
ty_fieldcat-col_pos = 1.
ty_fieldcat-fieldname = 'posnr'.
ty_fieldcat-tabname = 'iresult'.
ty_fieldcat-coltext = 'Item#'.
ty_fieldcat-outputlen = 10.
APPEND ty_fieldcat TO it_fieldcat.
CLEAR ty_fieldcat.
ty_fieldcat-row_pos = 1.
ty_fieldcat-col_pos = 2.
ty_fieldcat-fieldname = 'matnr'.
ty_fieldcat-tabname = 'iresult'.
ty_fieldcat-coltext = 'Mat#'.
ty_fieldcat-outputlen = 10.
APPEND ty_fieldcat TO it_fieldcat.
CLEAR ty_fieldcat.
ty_fieldcat-row_pos = 1.
ty_fieldcat-col_pos = 3.
ty_fieldcat-fieldname = 'zansicat'.
ty_fieldcat-tabname = 'iresult'.
ty_fieldcat-coltext = 'AnsiCat#'.
ty_fieldcat-outputlen = 10.
APPEND ty_fieldcat TO it_fieldcat.
CLEAR ty_fieldcat.
ty_fieldcat-row_pos = 1.
ty_fieldcat-col_pos = 4.
ty_fieldcat-fieldname = 'zansigrd'.
ty_fieldcat-tabname = 'iresult'.
ty_fieldcat-coltext = 'Grade'.
ty_fieldcat-outputlen = 10.
APPEND ty_fieldcat TO it_fieldcat.
CLEAR ty_fieldcat.
ty_fieldcat-row_pos = 1.
ty_fieldcat-col_pos = 5.
ty_fieldcat-fieldname = 'zcurrvaltnarea'.
ty_fieldcat-tabname = 'iresult'.
ty_fieldcat-coltext = 'Val Area'.
ty_fieldcat-outputlen = 10.
APPEND ty_fieldcat TO it_fieldcat.
ENDFORM. " alv_101_fieldcat
*& Form save_alv_layout
text
--> p1 text
<-- p2 text
form save_alv_layout.
ws-alv_save = 'A'.
ws-alv_variant-report = sy-repid.
endform. " save_alv_layoutHello
Creating fieldcatalogs manually is one of the major error sources in ALV programming.
There is hardly any reason why NOT to use the standard-fm LVC_FIELDCATALOG_MERGE in order to create a proper fieldcatalog.
If you need some modification of the standard fieldcatalog (e.g. renaming of columns, etc.) just do your post-processing after calling the fm.
Regards
Uwe -
How to increase the length of internal table dynamically
How to increase the length of internal table dynamically depending on the number of fields fetched into the internal table ?
The requirement code :
types: begin of t_data,
form like zscr_data_hdr-form,
werks like zscr_data_hdr-werks,
matnr like zscr_data_hdr-matnr,
verid like zscr_data_hdr-verid,
lot like zscr_data_hdr-lot,
lot_qty like zscr_data_hdr-lot_qty,
udate like zscr_data_hdr-udate,
utime like zscr_data_hdr-utime,
zuser like zscr_data_hdr-zuser,
processed like zscr_data_hdr-processed,
defect like zscr_defect_data-defect,
vornr like zscr_route_data-vornr,
fld1 like zscr_defect_data-defect_val,
fld2 like zscr_defect_data-defect_val,
fld3 like zscr_defect_data-defect_val,
fld4 like zscr_defect_data-defect_val,
fld5 like zscr_defect_data-defect_val,
fld6 like zscr_defect_data-defect_val,
fld7 like zscr_defect_data-defect_val,
fld8 like zscr_defect_data-defect_val,
fld9 like zscr_defect_data-defect_val,
fld10 like zscr_defect_data-defect_val,
fld11 like zscr_defect_data-defect_val,
fld12 like zscr_defect_data-defect_val,
fld13 like zscr_defect_data-defect_val,
fld14 like zscr_defect_data-defect_val,
fld15 like zscr_defect_data-defect_val,
fld16 like zscr_defect_data-defect_val,
fld17 like zscr_defect_data-defect_val,
fld18 like zscr_defect_data-defect_val,
fld19 like zscr_defect_data-defect_val,
fld20 like zscr_defect_data-defect_val,
fld21 like zscr_defect_data-defect_val,
fld22 like zscr_defect_data-defect_val,
fld23 like zscr_defect_data-defect_val,
fld24 like zscr_defect_data-defect_val,
fld25 like zscr_defect_data-defect_val,
fld26 like zscr_defect_data-defect_val,
fld27 like zscr_defect_data-defect_val,
fld28 like zscr_defect_data-defect_val,
fld29 like zscr_defect_data-defect_val,
fld30 like zscr_defect_data-defect_val,
fld31 like zscr_defect_data-defect_val,
fld32 like zscr_defect_data-defect_val,
fld33 like zscr_defect_data-defect_val,
fld34 like zscr_defect_data-defect_val,
fld35 like zscr_defect_data-defect_val,
fld36 like zscr_defect_data-defect_val,
fld37 like zscr_defect_data-defect_val,
fld38 like zscr_defect_data-defect_val,
fld39 like zscr_defect_data-defect_val,
fld40 like zscr_defect_data-defect_val,
fld41 like zscr_defect_data-defect_val,
fld42 like zscr_defect_data-defect_val,
fld43 like zscr_defect_data-defect_val,
fld44 like zscr_defect_data-defect_val,
fld45 like zscr_defect_data-defect_val,
fld46 like zscr_defect_data-defect_val,
fld47 like zscr_defect_data-defect_val,
fld48 like zscr_defect_data-defect_val,
fld49 like zscr_defect_data-defect_val,
fld50 like zscr_defect_data-defect_val,
fld51 like zscr_defect_data-defect_val,
fld52 like zscr_defect_data-defect_val,
fld53 like zscr_defect_data-defect_val,
fld54 like zscr_defect_data-defect_val,
fld55 like zscr_defect_data-defect_val,
fld56 like zscr_defect_data-defect_val,
fld57 like zscr_defect_data-defect_val,
fld58 like zscr_defect_data-defect_val,
fld59 like zscr_defect_data-defect_val,
fld60 like zscr_defect_data-defect_val,
fld61 like zscr_defect_data-defect_val,
fld62 like zscr_defect_data-defect_val,
fld63 like zscr_defect_data-defect_val,
fld64 like zscr_defect_data-defect_val,
fld65 like zscr_defect_data-defect_val,
fld66 like zscr_defect_data-defect_val,
fld67 like zscr_defect_data-defect_val,
fld68 like zscr_defect_data-defect_val,
fld69 like zscr_defect_data-defect_val,
fld70 like zscr_defect_data-defect_val,
fld71 like zscr_defect_data-defect_val,
fld72 like zscr_defect_data-defect_val,
fld73 like zscr_defect_data-defect_val,
fld74 like zscr_defect_data-defect_val,
fld75 like zscr_defect_data-defect_val,
fld76 like zscr_defect_data-defect_val,
fld77 like zscr_defect_data-defect_val,
fld78 like zscr_defect_data-defect_val,
fld79 like zscr_defect_data-defect_val,
fld80 like zscr_defect_data-defect_val,
fld81 like zscr_defect_data-defect_val,
fld82 like zscr_defect_data-defect_val,
fld83 like zscr_defect_data-defect_val,
fld84 like zscr_defect_data-defect_val,
fld85 like zscr_defect_data-defect_val,
fld86 like zscr_defect_data-defect_val,
fld87 like zscr_defect_data-defect_val,
fld88 like zscr_defect_data-defect_val,
fld89 like zscr_defect_data-defect_val,
fld90 like zscr_defect_data-defect_val,
fld91 like zscr_defect_data-defect_val,
fld92 like zscr_defect_data-defect_val,
fld93 like zscr_defect_data-defect_val,
fld94 like zscr_defect_data-defect_val,
fld95 like zscr_defect_data-defect_val,
fld96 like zscr_defect_data-defect_val,
fld97 like zscr_defect_data-defect_val,
fld98 like zscr_defect_data-defect_val,
fld99 like zscr_defect_data-defect_val,
fld100 like zscr_defect_data-defect_val,
fld101 like zscr_defect_data-defect_val,
fld102 like zscr_defect_data-defect_val,
fld103 like zscr_defect_data-defect_val,
fld104 like zscr_defect_data-defect_val,
fld105 like zscr_defect_data-defect_val,
fld106 like zscr_defect_data-defect_val,
fld107 like zscr_defect_data-defect_val,
fld108 like zscr_defect_data-defect_val,
fld109 like zscr_defect_data-defect_val,
fld110 like zscr_defect_data-defect_val,
fld111 like zscr_defect_data-defect_val,
fld112 like zscr_defect_data-defect_val,
fld113 like zscr_defect_data-defect_val,
fld114 like zscr_defect_data-defect_val,
fld115 like zscr_defect_data-defect_val,
fld116 like zscr_defect_data-defect_val,
fld117 like zscr_defect_data-defect_val,
fld118 like zscr_defect_data-defect_val,
fld119 like zscr_defect_data-defect_val,
fld120 like zscr_defect_data-defect_val,
fld121 like zscr_defect_data-defect_val,
fld122 like zscr_defect_data-defect_val,
fld123 like zscr_defect_data-defect_val,
fld124 like zscr_defect_data-defect_val,
fld125 like zscr_defect_data-defect_val,
fld126 like zscr_defect_data-defect_val,
fld127 like zscr_defect_data-defect_val,
fld128 like zscr_defect_data-defect_val,
fld129 like zscr_defect_data-defect_val,
fld130 like zscr_defect_data-defect_val,
fld131 like zscr_defect_data-defect_val,
fld132 like zscr_defect_data-defect_val,
fld133 like zscr_defect_data-defect_val,
fld134 like zscr_defect_data-defect_val,
fld135 like zscr_defect_data-defect_val,
dayst like zscr_data_hdr-dayst,
end of t_data.
In this fld1 to fld135 are defined in internal table.
But if the number of fields are more than 135 then the program is going to short dump.
Some times fld1 to fid170 or more fields will be there in my internal table.
Please suggest me how to make my requirement dynamic and display this data fetched into this internal table onto a .XLS file in the presentation server ?Hi
You can try to use the type string:
form like zscr_data_hdr-form,
werks like zscr_data_hdr-werks,
matnr like zscr_data_hdr-matnr,
verid like zscr_data_hdr-verid,
lot like zscr_data_hdr-lot,
lot_qty like zscr_data_hdr-lot_qty,
udate like zscr_data_hdr-udate,
utime like zscr_data_hdr-utime,
zuser like zscr_data_hdr-zuser,
processed like zscr_data_hdr-processed,
defect like zscr_defect_data-defect,
vornr like zscr_route_data-vornr,
fieldxx type string,
dayst like zscr_data_hdr-dayst,
end of t_data.
So you can save you informations of every fld<n> concatenating their values into fieldxx.
Max -
To display the content selected in multiselect control in a report..
Hi,
I have one requirement to display the content selected in multiselect.I explained my requirement below.
I have 5 multiselect boxes.they are locality,designation,connection1,connection2,connection3.
The corresponding designations will be displayed for the locality and the corresponding connection1 will be displayed for the designation and the corresponding connection2 will be displayed for the connection1 and the corresponding connection3 will be displayed for the connection2.everything is displayed correctly in the multiselect.
My requirement here is till connection1 i'll select mandatorily. and if i select connection1 and click GO button without selecting connection2 and connection3 then the connection1 only should be displayed in the report not the connection2 and connection3.likewise if i stop till connection2 and click go then connection2 only has to be displayed in the report not the connection1 and connection3..How can i do this?
i tried using dropdown and presentation variables but not all the values are displayed in dropdown and there is a limit in dropdown.so i'm going for multiselect..
Can anyone help me..HI,
Sai Kumar Potluri
I tried in IDES it working.
Here is the code.
REPORT ZPRA_TC_D.
TABLES : SCARR.
CONTROLS TC TYPE TABLEVIEW USING SCREEN 1.
DATA : SELLINE TYPE I,
SELINDEX TYPE I.
DATA : ACT LIKE SCARR-CARRID,
ANT LIKE SCARR-CARRNAME.
DATA : ITAB LIKE SCARR OCCURS 0 WITH HEADER LINE.
CALL SCREEN 1.
*& Module STATUS_0001 OUTPUT
* text
MODULE STATUS_0001 OUTPUT.
SET PF-STATUS 'ME'.
* SET TITLEBAR 'xxx'.
SELECT * FROM SCARR INTO TABLE ITAB.
ENDMODULE. " STATUS_0001 OUTPUT
*& Module MOV OUTPUT
* text
MODULE MOV OUTPUT.
MOVE-CORRESPONDING ITAB TO SCARR.
ENDMODULE. " MOV OUTPUT
*& Module USER_COMMAND_0001 INPUT
* text
MODULE USER_COMMAND_0001 INPUT.
CASE SY-UCOMM.
WHEN 'BACK' OR 'UP' OR 'EXIT'.
LEAVE PROGRAM.
WHEN 'SEL'.
GET CURSOR FIELD SCARR-CARRID LINE SELLINE.
SELINDEX = TC-TOP_LINE + SELLINE - 1.
READ TABLE ITAB INDEX SELINDEX.
ACT = ITAB-CARRID.
ANT = ITAB-CARRNAME.
ENDCASE.
ENDMODULE. " USER_COMMAND_0001 INPUT
In Flow Logic.
PROCESS BEFORE OUTPUT.
MODULE STATUS_0001.
LOOP AT ITAB WITH CONTROL TC.
MODULE MOV.
ENDLOOP.
PROCESS AFTER INPUT.
LOOP AT ITAB.
ENDLOOP.
MODULE USER_COMMAND_0001. -
Pagelet is not displaying the content
Hi All, I am facing an issue where in the pagelets content is not loading into the page.
We have upgraded from the tools 8.49.23 to 8.52.09. After that when I am checking the pagelets its not displaying the content. But it displayes all my pagelets as a boxes. All pagelets are not in minimized mode.
I have checked the code which load the page. Its component based pagelet. we are passing the URL to HTML which is using iFrame as given below.
<iframe src="%Bind(:1)" scrolling="no" marginwidth="0" marginheight="0" frameborder="0" vspace="0" hspace="0" width=%Bind(:2) height=%Bind(:3) style="overflow:hidden; width:100%;"> </iframe>
%bind(:1) is the component url. I have test this URL independently and is showing the content. Not sure why is this not rendered inside the iframe pagelet?
I am able to see the pagelet content using personlize preview pagelet option as well. Can anyone help me to understand Why it is not loading inside the pagelet?
Edited by: 923121 on 17-Sep-2012 06:45
Edited by: 923121 on 17-Sep-2012 22:23There seems to be a new configuration page that might be controlling the display of the Toolbar.
Navigation: Main Menu > Enterprise Components > Component Configurations > Toolbar > Toolbar Definition
See: HCSC_NOTIFICATION
Not sure, if any of the data in these tables were accidentally deleted in your upgraded environment? -
Download database table content into internal table using Function Module?
HI,
Experts,
I need a function module which can download ddic table content into internal table.
Thank u ,
Shabeer Ahmed.>
shabeer ahmed wrote:
> HI,
> Experts,
>
> I need a function module which can download ddic table content into internal table.
>
> Thank u ,
> Shabeer Ahmed.
Hi Shabeer,
We don't require a function module to download ddic table content to an internal table. We can use the SELECT statement for the same. Example would be:-
DATA: <INTERNAL TABLE> type table of <DATABASE>.
SELECT * FROM <DATABASE> into corresponding fields of <INTERNAL TABLE>.
Also, function module might be required when you need the data from a remote system, but then it is the developer's task create this function module and the function module should be remote enabled function module.
This remote enable function module should have the above SELECT query as its code.
Many Regards,
Ravi. -
Displaying the contents of an array of objects
Hello All,
My Java teacher gave us a challenge and I'm stumped. The teacher wants us to display the contents of the array in the main menthod. The original code is as follows:
public class TestObjects
public static void main ( String args[] )
Thing[] thingArray = { new Thing(4), new Thing(7) };
}I understand that the elements of the array are objects, and each one has a value assigned to it. The following code was my first attempt at a solution:
public class TestObjects
public static void main ( String args[] )
Thing[] thingArray = { new Thing(4), new Thing(7) };
for ( int i = 0; i < thingArray.length; i++)
System.out.println( thingArray );
}To which I'm given what amounts to garbage output. I learned from reading about that output that its basically displaying the memory location of the array, and the the contents of the array. There was mention of overriding or bypassing a method in System.out.println, but I don't believe that we're that far advanced yet. Any thoughts? I know I have to get at the data fields in the objects of the array, but i'm not having an easy time figuring it out. Thanks very much in advance!robrom78 wrote:
public class TestObjects
public static void main ( String args[] )
Thing[] thingArray = { new Thing(4), new Thing(7) };
for ( int i = 0; i < thingArray.length; i++)
System.out.println( thingArray );
Note that you're trying to print the entire array at every loop iteration. That's probably not what you meant to do.
You probably meant to do something more like
System.out.println( thingArray[i] );Also, note that the java.util.Arrays class has a toString method that might be useful.
To which I'm given what amounts to garbage output. It's not garbage. It's the default output to toString() for arrays, which is in fact the toString() defined for java.lang.Object (and inherited by arrays).
I learned from reading about that output that its basically displaying the memory location of the array, and the the contents of the array.It displays a default result that is vaguely related to the memory, but probably shouldn't be thought of us such. Think of it as identifying the type of object, and a value that differentiates it from other objects of the same type.
By the way I assume you mean "+not+ the contents of the array" above. If so, that is correct.
There was mention of overriding or bypassing a method in System.out.println, but I don't believe that we're that far advanced yet. Any thoughts? No, you don't override a method in println; actually methods don't contain other methods directly. You probably do need to override toString in Thing.
I know I have to get at the data fields in the objects of the array, but i'm not having an easy time figuring it out. You can get to the individual objects in the array just by dereferencing it, as I showed you above.
But I suspect that won't be sufficient. Most likely, Thing doesn't have a toString method defined. This means that you'll end up with very similar output, but it will say "Thing" instead of "[Thing" and the numbers to the right of the "@" will be different.
You'll need to override the toString() method in Thing to get the output you want. -
Displaying the content of one JPanel in an other as a scaled image
Hi,
I'd like to display the content of one JPanel scaled in a second JPanel.
The first JPanel holds a graph that could be edited in this JPanel. But unfortunately the graph is usually to big to have a full overview over the whole graph and is embeded in a JScrollPanel. So the second JPanel should be some kind of an overview window that shows the whole graph scaled to fit to this window and some kind of outline around the current section displayed by the JScrollPanel. How could I do this?
Many thanks in advance.
Best,
Marc.Hi,
I'd like to display the content of one JPanel scaled
in a second JPanel.
The first JPanel holds a graph that could be edited
in this JPanel. But unfortunately the graph is
usually to big to have a full overview over the whole
graph and is embeded in a JScrollPanel. So the second
JPanel should be some kind of an overview window that
shows the whole graph scaled to fit to this window
and some kind of outline around the current section
displayed by the JScrollPanel. How could I do this?
Many thanks in advance.
Best,
Marc.if panel1 is the graph and panel2 is the overview, override the paintComponent method in panel2 with this
public void paintComponent(Graphics g) {
Graphics2D g2 = (Graphics2D) g;
g2.scale(...,...);
panel1.paint(g2);
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