Drop Down List By Key - Including a blank selection

Hi all,
In R/3 ABAP, when we reference a data element(with domain) from the data dictionary into a textfield(as dropdown) in a screen, we will be able access the domain values via the F4. The dropdown in ABAP will always include a blank field for selection.
But in Java webdynpro, I successful bind a model attribute from the model into the dropdown list but when I click on the dropdown list, it contains the domain value but there's no blank field for selection. The page did initial display blank but after selecting other values, I cannot select back the blank field.
I'm using the DropDownByKey with selectedKey binded to a value attribute that "type = com.sap..." model attribute. (imported field with domain and fixed emuneration)
How can I configure/code the dropdown list to include that blank field for selection?
Your help or advise is much appreciated. Thanks
Best Regards,
Jansen

Jansen,
I suggest you to use DropdownbyIndex UI element and set the initializeLeadSelection to false and selection cardinality to 0:1 of the corresponding context node. As a result, it will display a blank line.
If you want to use Dropdownbykey then add one element with blank value.
Bala

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With regards ,
James..
Valuable answers will be rewarded ....

Hi,
To fix values to the drop down key at runtime in the webdynpro application you can use the following code:
DATA:
lr_node_flightinfo TYPE REF TO if_wd_context_node,
lr_nodeinfo_flightinfo TYPE REF TO if_wd_context_node_info,
l_scarr type scarr,
lt_value_set TYPE TABLE OF wdr_context_attr_value,
lw_value_set like line of lt_value_set.
get nodeinfo of node flightinfo
lr_node_flightinfo = wd_context->get_child_node( name = 'FLIGHTINFO' ).
lr_nodeinfo_flightinfo = lr_node_flightinfo->get_node_info( ).
get value set (VALUE = CARRID , TEXT = CARRNAME)
select carrid carrname from scarr into table lt_value_set.
clear lw_value_set.
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sort the value set by the describing TEXT
SORT lt_value_set BY text.
set value to context attribute
lr_nodeinfo_flightinfo->set_attribute_value_set(
name = 'CARRID' value_set = lt_value_set ).
Here CARRID is a drop down by key field on the screen.
in The context it is an attribute in the node FLIGHTINFO.
Please give Reward Points if this piece of code helps
Regards,
Manish

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Donnacat69 wrote:
Serial number is valid but the qualifying product is not found on computer and I ordered and downloaded Adobe Acrobat XI Pro and it is not on dropdown list
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Drop down list in alv tree

Hi,
I am developing an ALV TREE. I need help Its really urgent. In the output screen there will be 2 level nodes. in the item line 1 field should be input enabled using which the database table is to be modified.when user left clicks on this field a drop down list will appear from which he selects his choice.
I looked into BCALV_TREE_SIMPLE_DEMO reports available in SAP.
I would also like to know what is register_events, what is an handler.
help me.
Edited by: Sudipa Das on Oct 4, 2008 11:53 AM
Edited by: Sudipa Das on Oct 4, 2008 11:53 AM
Edited by: Sudipa Das on Oct 4, 2008 11:54 AM

Hello Sudipa
I do not think you can have editable fields other than checkboxes in ALV trees. In sample report ZUS_SDN_ALV_TREE_DEMO_1 I have set the fieldcatalog property LS_FCAT-EDIT = 'X' for all fields yet only LOEVM is editable because it is defined as checkbox, too.
However, you may use the LINK_CLICK of the ALV tree (set LS_FCAT-HOTSPOT = 'X' in fieldcatalog) to trigger e.g. a seach help for input.
*& Report ZUS_SDN_ALV_TREE_DEMO
*& Thread: drop down list in alv tree
*& <a class="jive_macro jive_macro_thread" href="" __jive_macro_name="thread" modifiedtitle="true" __default_attr="1074082"></a>
*& Thread: alv tree checbox problem when attempt to get the selected checjboxes
*& <a class="jive_macro jive_macro_thread" href="" __jive_macro_name="thread" modifiedtitle="true" __default_attr="1050473"></a>
*& Thread: alv tree checkbox problem
*& <a class="jive_macro jive_macro_thread" href="" __jive_macro_name="thread" modifiedtitle="true" __default_attr="1046535"></a>
*& Thread: double click in ALV tree output????
*& <a class="jive_macro jive_macro_thread" href="" __jive_macro_name="thread" modifiedtitle="true" __default_attr="742412"></a>
*& Flow logic of screen '0100' (contains no screen elements):
** PROCESS BEFORE OUTPUT.
** MODULE STATUS_0100.
** PROCESS AFTER INPUT.
** MODULE USER_COMMAND_0100.
*& user-command (for command window): DISPLAY, SELECTED_NODES
REPORT zus_sdn_alv_tree_demo_1.
CLASS cl_gui_column_tree DEFINITION LOAD.
CLASS cl_gui_cfw DEFINITION LOAD.
TYPE-POOLS: abap, shlp.
TYPES: BEGIN OF ty_s_key.
TYPES: nkey TYPE lvc_nkey.
TYPES: parent_key TYPE lvc_nkey.
TYPES: END OF ty_s_key.
TYPES: BEGIN OF ty_s_outtab.
INCLUDE TYPE knvv AS data.
INCLUDE TYPE ty_s_key AS key.
TYPES: END OF ty_s_outtab.
TYPES: ty_t_outtab TYPE STANDARD TABLE OF ty_s_outtab
 WITH DEFAULT KEY.
DATA: gt_outtab TYPE ty_t_outtab.
DATA:
gd_okcode TYPE ui_func,
gd_repid TYPE syst-repid,
gt_fcat TYPE lvc_t_fcat,
gs_layout TYPE lvc_s_layo,
gs_variant TYPE disvariant,
go_docking TYPE REF TO cl_gui_docking_container,
go_tree TYPE REF TO cl_gui_alv_tree.
* CLASS lcl_eventhandler DEFINITION
CLASS lcl_eventhandler DEFINITION.
PUBLIC SECTION.
 CLASS-METHODS:
 handle_node_double_click
 FOR EVENT node_double_click OF cl_gui_alv_tree
 IMPORTING node_key,
 handle_item_double_click
 FOR EVENT item_double_click OF cl_gui_alv_tree
 IMPORTING node_key
 fieldname,
 handle_checkbox_change
 FOR EVENT checkbox_change OF cl_gui_alv_tree
 IMPORTING checked
 fieldname
 node_key,
 handle_link_click
 FOR EVENT link_click OF cl_gui_alv_tree
 IMPORTING fieldname
 node_key.
ENDCLASS. "lcl_eventhandler DEFINITION
* CLASS lcl_eventhandler IMPLEMENTATION
CLASS lcl_eventhandler IMPLEMENTATION.
METHOD handle_node_double_click.
 MESSAGE 'Event=Double-Click on Node' TYPE 'I'.
 CALL TRANSACTION 'XD03'.
ENDMETHOD. "handle_node_double_click
METHOD handle_item_double_click.
 MESSAGE 'Event=Double-Click on Item' TYPE 'I'.
 CALL TRANSACTION 'VA03'.
ENDMETHOD. "handle_item_double_click
METHOD handle_checkbox_change.
 DATA: ls_outtab TYPE ty_s_outtab.
 BREAK-POINT.
 IF ( fieldname = 'LOEVM' ).
 CALL METHOD go_tree->get_outtab_line
 EXPORTING
 i_node_key = node_key
 IMPORTING
 e_outtab_line = ls_outtab
* e_node_text =
* et_item_layout =
* es_node_layout =
 EXCEPTIONS
 node_not_found = 1
 OTHERS = 2.
 IF sy-subrc <> 0.
* MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
* WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
 ENDIF.
 ls_outtab-loevm = checked.
 MODIFY gt_outtab FROM ls_outtab
 TRANSPORTING loevm
 WHERE ( nkey = node_key ).
 ENDIF.
 " Trigger PAI
 CALL METHOD cl_gui_cfw=>set_new_ok_code
 EXPORTING
 new_code = 'REFRESH'
* IMPORTING
* rc =
ENDMETHOD. "handle_checkbox_change
METHOD handle_link_click.
 data: ls_shlp type SHLP_DESCR,
 lt_retvalues type STANDARD TABLE OF DDSHRETVAL.
 BREAK-POINT.
 CALL FUNCTION 'F4IF_GET_SHLP_DESCR'
 EXPORTING
 shlpname = 'USER_COMP'
* SHLPTYPE = 'SH'
 IMPORTING
 SHLP = ls_shlp.
 CALL FUNCTION 'F4IF_START_VALUE_REQUEST'
 EXPORTING
 shlp = ls_shlp
* DISPONLY = ' '
* MAXRECORDS = 500
* MULTISEL = ' '
* CUCOL = SY-CUCOL
* CUROW = SY-CUROW
* IMPORTING
* RC =
 tables
 return_values = lt_retvalues.
ENDMETHOD. "handle_link_click
ENDCLASS. "lcl_eventhandler IMPLEMENTATION
START-OF-SELECTION.
PERFORM init_controls.
gd_repid = syst-repid.
CALL METHOD go_docking->link
 EXPORTING
 repid = gd_repid
 dynnr = '0100'
* container =
 EXCEPTIONS
 cntl_error = 1
 cntl_system_error = 2
 lifetime_dynpro_dynpro_link = 3
 OTHERS = 4.
IF sy-subrc <> 0.
* MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
* WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
ENDIF.
CALL SCREEN '0100'.
** NOTE: no elements on screen
** PROCESS BEFORE OUTPUT.
** MODULE STATUS_0100.
** PROCESS AFTER INPUT.
** MODULE USER_COMMAND_0100.
END-OF-SELECTION.
*& Module STATUS_0100 OUTPUT
* text
MODULE status_0100 OUTPUT.
SET PF-STATUS 'STATUS_0100'.
* SET TITLEBAR 'xxx'.
ENDMODULE. " STATUS_0100 OUTPUT
*& Module USER_COMMAND_0100 INPUT
* text
MODULE user_command_0100 INPUT.
TRANSLATE gd_okcode TO UPPER CASE.
CASE gd_okcode.
 WHEN 'BACK' OR
 'EXIT' OR
 'CANC'.
 SET SCREEN 0. LEAVE SCREEN.
 WHEN 'REFRESH'.
 CALL METHOD go_tree->update_calculations
* EXPORTING
* no_frontend_update =
 WHEN 'SELECTED_NODES'.
 PERFORM get_selected_nodes.
 WHEN 'DISPLAY'.
 PERFORM display.
 WHEN OTHERS.
ENDCASE.
CLEAR: gd_okcode.
ENDMODULE. " USER_COMMAND_0100 INPUT
*& Form init_controls
* text
* --> p1 text
* <-- p2 text
FORM init_controls .
* Create docking container
CREATE OBJECT go_docking
 EXPORTING
 parent = cl_gui_container=>screen0
 ratio = 90
 EXCEPTIONS
 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.
* create tree control
CREATE OBJECT go_tree
 EXPORTING
 parent = go_docking
 node_selection_mode = cl_gui_column_tree=>node_sel_mode_multiple
 item_selection = 'X' " required for double-click event on item
 no_html_header = ''
 no_toolbar = ''
 EXCEPTIONS
 cntl_error = 1
 cntl_system_error = 2
 create_error = 3
 lifetime_error = 4
 illegal_node_selection_mode = 5
 failed = 6
 illegal_column_name = 7.
IF sy-subrc <> 0.
 MESSAGE x208(00) WITH 'ERROR'. "#EC NOTEXT
ENDIF.
* create Hierarchy-header
DATA ls_hierarchy_header TYPE treev_hhdr.
PERFORM build_hierarchy_header CHANGING ls_hierarchy_header.
PERFORM build_fieldcatalog.
PERFORM set_layout_and_variant.
* create emty tree-control
CALL METHOD go_tree->set_table_for_first_display
 EXPORTING
** i_structure_name = 'KNVV'
 is_variant = gs_variant
 i_save = 'A'
* i_default = 'X'
 is_hierarchy_header = ls_hierarchy_header
* is_exception_field =
* it_special_groups =
* it_list_commentary =
* i_logo =
* i_background_id =
* it_toolbar_excluding =
* it_except_qinfo =
 CHANGING
 it_outtab = gt_outtab
* it_filter =
 it_fieldcatalog = gt_fcat.
* create hierarchy
PERFORM create_hierarchy.
* register events
PERFORM register_events.
* adjust column_width
CALL METHOD go_tree->column_optimize.
ENDFORM. " init_controls
*& Form build_hierarchy_header
* build hierarchy-header-information
* -->P_L_HIERARCHY_HEADER strucxture for hierarchy-header
FORM build_hierarchy_header CHANGING
 p_hierarchy_header TYPE treev_hhdr.
p_hierarchy_header-heading = 'Hierarchy Header'. "#EC NOTEXT
p_hierarchy_header-tooltip =
 'This is the Hierarchy Header !'. "#EC NOTEXT
p_hierarchy_header-width = 30.
p_hierarchy_header-width_pix = ''.
ENDFORM. " build_hierarchy_header
*& Form BUILD_FIELDCATALOG
* text
* --> p1 text
* <-- p2 text
FORM build_fieldcatalog .
DATA: ls_fcat TYPE lvc_s_fcat.
REFRESH: gt_fcat.
CALL FUNCTION 'LVC_FIELDCATALOG_MERGE'
 EXPORTING
* I_BUFFER_ACTIVE =
 i_structure_name = 'KNVV'
* I_CLIENT_NEVER_DISPLAY = 'X'
 i_bypassing_buffer = 'X'
* I_INTERNAL_TABNAME =
 CHANGING
 ct_fieldcat = gt_fcat
 EXCEPTIONS
 inconsistent_interface = 1
 program_error = 2
 OTHERS = 3.
IF sy-subrc <> 0.
* MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
* WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
ENDIF.
DELETE gt_fcat FROM 10.
ls_fcat-tech = 'X'.
MODIFY gt_fcat FROM ls_fcat
 TRANSPORTING tech
 WHERE ( key = 'X' ).
ls_fcat-edit = 'X'.
MODIFY gt_fcat FROM ls_fcat
 TRANSPORTING edit
 WHERE ( key NE 'X' ).
READ TABLE gt_fcat INTO ls_fcat
 WITH KEY fieldname = 'LOEVM'.
IF ( syst-subrc = 0 ).
 ls_fcat-checkbox = 'X'.
 ls_fcat-edit = 'X'.
** ls_fcat-hotspot = 'X'.
 MODIFY gt_fcat FROM ls_fcat INDEX syst-tabix.
ENDIF.
READ TABLE gt_fcat INTO ls_fcat
 WITH KEY fieldname = 'ERNAM'.
IF ( syst-subrc = 0 ).
 ls_fcat-hotspot = 'X'.
 MODIFY gt_fcat FROM ls_fcat INDEX syst-tabix.
ENDIF.
ENDFORM. " BUILD_FIELDCATALOG
*& Form SET_LAYOUT_AND_VARIANT
* text
* --> p1 text
* <-- p2 text
FORM set_layout_and_variant .
CLEAR: gs_layout,
 gs_variant.
gs_variant-report = syst-repid.
gs_variant-handle = 'TREE'.
ENDFORM. " SET_LAYOUT_AND_VARIANT
*& Form create_hierarchy
* text
* --> p1 text
* <-- p2 text
FORM create_hierarchy .
DATA: ls_knvv TYPE sflight,
 ld_idx TYPE i,
 ls_outtab TYPE ty_s_outtab,
 lt_outtab TYPE ty_t_outtab.
* get data
SELECT * FROM knvv INTO CORRESPONDING FIELDS OF TABLE lt_outtab
 UP TO 20 ROWS . "#EC CI_NOWHERE
SORT lt_outtab BY kunnr vkorg.
* add data to tree
DATA: ld_root_key TYPE lvc_nkey,
 ld_kunnr_key TYPE lvc_nkey,
 ld_vkorg_key TYPE lvc_nkey,
 ld_last_key TYPE lvc_nkey.
ld_idx = 0.
LOOP AT lt_outtab INTO ls_outtab.
 AT FIRST.
 PERFORM add_root_line USING ls_outtab-data
 CHANGING ld_root_key.
 ADD 1 TO ld_idx.
 ls_outtab-nkey = ld_root_key.
 ls_outtab-parent_key = space.
 MODIFY gt_outtab FROM ls_outtab INDEX ld_idx
 TRANSPORTING key.
 ENDAT.
 ON CHANGE OF ls_outtab-kunnr.
 PERFORM add_customer_line USING ls_outtab-data
 ld_root_key
 CHANGING ld_kunnr_key.
 ADD 1 TO ld_idx.
 ls_outtab-nkey = ld_kunnr_key.
 ls_outtab-parent_key = ld_root_key.
 MODIFY gt_outtab FROM ls_outtab INDEX ld_idx
 TRANSPORTING key.
 ENDON.
 ON CHANGE OF ls_outtab-vkorg.
 PERFORM add_salesorg_line USING ls_outtab-data
 ld_kunnr_key
 CHANGING ld_vkorg_key.
 ADD 1 TO ld_idx.
 ls_outtab-nkey = ld_vkorg_key.
 ls_outtab-parent_key = ld_kunnr_key.
 MODIFY gt_outtab FROM ls_outtab INDEX ld_idx
 TRANSPORTING key.
 ENDON.
 PERFORM add_complete_line USING ls_outtab-data
 ld_vkorg_key
 CHANGING ld_last_key.
 ADD 1 TO ld_idx.
 ls_outtab-nkey = ld_last_key.
 ls_outtab-parent_key = ld_vkorg_key.
 MODIFY gt_outtab FROM ls_outtab INDEX ld_idx
 TRANSPORTING key.
ENDLOOP.
* calculate totals
CALL METHOD go_tree->update_calculations.
* this method must be called to send the data to the frontend
CALL METHOD go_tree->frontend_update.
ENDFORM. " create_hierarchy
*& Form add_customer_line
* add hierarchy-level 1 to tree
* -->P_LS_SFLIGHT sflight
* -->P_RELEATKEY relatkey
* <-->p_node_key new node-key
FORM add_root_line USING us_data TYPE ty_s_outtab-data
 ud_relat_key TYPE lvc_nkey
 CHANGING cd_node_key TYPE lvc_nkey.
DATA: l_node_text TYPE lvc_value,
 ls_data TYPE ty_s_outtab-data.
* set item-layout
DATA: lt_item_layout TYPE lvc_t_layi,
 ls_item_layout TYPE lvc_s_layi.
ls_item_layout-t_image = '@3Q@'. " icon_overview
ls_item_layout-fieldname = go_tree->c_hierarchy_column_name.
ls_item_layout-style =
 cl_gui_column_tree=>style_intensifd_critical.
APPEND ls_item_layout TO lt_item_layout.
* add node
l_node_text = 'Overview: Sales Areas'.
DATA: ls_node TYPE lvc_s_layn.
ls_node-n_image = space.
ls_node-exp_image = space.
CALL METHOD go_tree->add_node
 EXPORTING
 i_relat_node_key = ud_relat_key
 i_relationship = cl_gui_column_tree=>relat_last_child
 i_node_text = l_node_text
 is_outtab_line = ls_data
 is_node_layout = ls_node
 it_item_layout = lt_item_layout
 IMPORTING
 e_new_node_key = cd_node_key.
ENDFORM. " add_root_line
*& Form add_customer_line
* add hierarchy-level 1 to tree
* -->P_LS_SFLIGHT sflight
* -->P_RELEATKEY relatkey
* <-->p_node_key new node-key
FORM add_customer_line USING us_data TYPE ty_s_outtab-data
 ud_relat_key TYPE lvc_nkey
 CHANGING cd_node_key TYPE lvc_nkey.
DATA: l_node_text TYPE lvc_value,
 ls_data TYPE ty_s_outtab-data.
* set item-layout
DATA: lt_item_layout TYPE lvc_t_layi,
 ls_item_layout TYPE lvc_s_layi.
ls_item_layout-t_image = '@A0@'. " icon_customer.
ls_item_layout-fieldname = go_tree->c_hierarchy_column_name.
ls_item_layout-style =
 cl_gui_column_tree=>style_intensifd_critical.
APPEND ls_item_layout TO lt_item_layout.
* add node
l_node_text = us_data-kunnr.
DATA: ls_node TYPE lvc_s_layn.
ls_node-n_image = space.
ls_node-exp_image = space.
CALL METHOD go_tree->add_node
 EXPORTING
 i_relat_node_key = ud_relat_key
 i_relationship = cl_gui_column_tree=>relat_last_child
 i_node_text = l_node_text
 is_outtab_line = ls_data
 is_node_layout = ls_node
 it_item_layout = lt_item_layout
 IMPORTING
 e_new_node_key = cd_node_key.
ENDFORM. " add_customer_line
*& Form add_salesorg_line
* add hierarchy-level 1 to tree
* -->P_LS_SFLIGHT sflight
* -->P_RELEATKEY relatkey
* <-->p_node_key new node-key
FORM add_salesorg_line USING us_data TYPE ty_s_outtab-data
 ud_relat_key TYPE lvc_nkey
 CHANGING cd_node_key TYPE lvc_nkey.
DATA: l_node_text TYPE lvc_value,
 ls_data TYPE ty_s_outtab-data.
* set item-layout
DATA: lt_item_layout TYPE lvc_t_layi,
 ls_item_layout TYPE lvc_s_layi.
ls_item_layout-t_image = '@DS@'. " ICON_PARTNER_SALES_ACTIVITY
ls_item_layout-fieldname = go_tree->c_hierarchy_column_name.
ls_item_layout-style =
 cl_gui_column_tree=>style_intensifd_critical.
APPEND ls_item_layout TO lt_item_layout.
* add node
l_node_text = us_data-vkorg.
DATA: ls_node TYPE lvc_s_layn.
ls_node-n_image = space.
ls_node-exp_image = space.
CALL METHOD go_tree->add_node
 EXPORTING
 i_relat_node_key = ud_relat_key
 i_relationship = cl_gui_column_tree=>relat_last_child
 i_node_text = l_node_text
 is_outtab_line = ls_data
 is_node_layout = ls_node
 it_item_layout = lt_item_layout
 IMPORTING
 e_new_node_key = cd_node_key.
ENDFORM. " add_salesorg_line
*& Form add_cmplete_line
* add hierarchy-level 3 to tree
* -->P_LS_SFLIGHT sflight
* -->P_RELEATKEY relatkey
* <-->p_node_key new node-key
FORM add_complete_line USING us_data TYPE ty_s_outtab-data
 ud_relat_key TYPE lvc_nkey
 CHANGING cd_node_key TYPE lvc_nkey.
DATA: l_node_text TYPE lvc_value.
* set item-layout
DATA: lt_item_layout TYPE lvc_t_layi,
 ls_item_layout TYPE lvc_s_layi.
ls_item_layout-fieldname = go_tree->c_hierarchy_column_name.
ls_item_layout-class = cl_gui_column_tree=>item_class_checkbox.
ls_item_layout-editable = 'X'.
APPEND ls_item_layout TO lt_item_layout.
** clear: ls_item_layout.
** ls_item_layout-fieldname = 'BEGRU'.
** ls_item_layout-class = cl_gui_column_tree=>ITEM_CLASS_CHECKBOX.
** ls_item_layout-editable = 'X'.
** APPEND ls_item_layout TO lt_item_layout.
** CLEAR ls_item_layout.
** ls_item_layout-fieldname = 'PLANETYPE'.
** ls_item_layout-alignment = cl_gui_column_tree=>align_right.
** APPEND ls_item_layout TO lt_item_layout.
l_node_text = us_data-vtweg.
DATA: ls_node TYPE lvc_s_layn.
ls_node-n_image = space.
ls_node-exp_image = space.
CALL METHOD go_tree->add_node
 EXPORTING
 i_relat_node_key = ud_relat_key
 i_relationship = cl_gui_column_tree=>relat_last_child
 is_outtab_line = us_data
 i_node_text = l_node_text
 is_node_layout = ls_node
 it_item_layout = lt_item_layout
 IMPORTING
 e_new_node_key = cd_node_key.
ENDFORM. " add_complete_line
*& Form register_events
* text
* --> p1 text
* <-- p2 text
FORM register_events.
* define the events which will be passed to the backend
DATA: lt_events TYPE cntl_simple_events,
 l_event TYPE cntl_simple_event.
* define the events which will be passed to the backend
l_event-eventid = cl_gui_column_tree=>eventid_expand_no_children.
APPEND l_event TO lt_events.
l_event-eventid = cl_gui_column_tree=>eventid_checkbox_change.
APPEND l_event TO lt_events.
** l_event-eventid = cl_gui_column_tree=>eventid_header_context_men_req.
** APPEND l_event TO lt_events.
** l_event-eventid = cl_gui_column_tree=>eventid_node_context_menu_req.
** APPEND l_event TO lt_events.
** l_event-eventid = cl_gui_column_tree=>eventid_item_context_menu_req.
** APPEND l_event TO lt_events.
** l_event-eventid = cl_gui_column_tree=>eventid_header_click.
** APPEND l_event TO lt_events.
** l_event-eventid = cl_gui_column_tree=>eventid_item_keypress.
** APPEND l_event TO lt_events.
l_event-eventid = cl_gui_column_tree=>eventid_node_double_click.
APPEND l_event TO lt_events.
l_event-eventid = cl_gui_column_tree=>eventid_item_double_click.
APPEND l_event TO lt_events.
l_event-eventid = cl_gui_column_tree=>eventid_link_click.
APPEND l_event TO lt_events.
CALL METHOD go_tree->set_registered_events
 EXPORTING
 events = lt_events
 EXCEPTIONS
 cntl_error = 1
 cntl_system_error = 2
 illegal_event_combination = 3.
IF sy-subrc <> 0.
 MESSAGE x208(00) WITH 'ERROR'. "#EC NOTEXT
ENDIF.
* set Handler
SET HANDLER:
 lcl_eventhandler=>handle_node_double_click FOR go_tree,
 lcl_eventhandler=>handle_item_double_click FOR go_tree,
 lcl_eventhandler=>handle_checkbox_change FOR go_tree,
 lcl_eventhandler=>handle_link_click FOR go_tree.
** DATA: l_event_receiver TYPE REF TO lcl_tree_event_receiver.
** CREATE OBJECT l_event_receiver.
** SET HANDLER l_event_receiver->handle_node_ctmenu_request
** FOR tree1.
** SET HANDLER l_event_receiver->handle_node_ctmenu_selected
** FOR tree1.
** SET HANDLER l_event_receiver->handle_item_ctmenu_request
** FOR tree1.
** SET HANDLER l_event_receiver->handle_item_ctmenu_selected
** FOR tree1.
** SET HANDLER l_event_receiver->handle_checkbox_change FOR tree1.
ENDFORM. " register_events
*& Form DISPLAY
* text
* --> p1 text
* <-- p2 text
FORM display .
DATA: ls_outtab TYPE ty_s_outtab,
 ls_line TYPE ty_s_outtab,
 ld_msg TYPE bapi_msg.
BREAK-POINT.
LOOP AT gt_outtab INTO ls_outtab
 WHERE ( loevm = 'X' ).
 CONCATENATE 'Checkbox:'
 ls_outtab-kunnr
 ls_outtab-vkorg
 ls_outtab-vtweg
 ls_outtab-spart
 ls_outtab-loevm
 INTO ld_msg SEPARATED BY space.
 MESSAGE ld_msg TYPE 'I'.
ENDLOOP.
IF ( syst-subrc NE 0 ).
 MESSAGE 'No marked checkboxes found' TYPE 'I'.
ENDIF.
PERFORM get_selected_nodes.
ENDFORM. " DISPLAY
*& Form GET_SELECTED_NODES
* text
* --> p1 text
* <-- p2 text
FORM get_selected_nodes.
* define local data
DATA: ld_msg TYPE bapi_msg,
 lt_nodes TYPE lvc_t_nkey,
 ls_outtab TYPE ty_s_outtab,
 ld_nkey TYPE lvc_nkey,
 lt_items TYPE lvc_t_layi,
 ls_item TYPE lvc_s_layi.
CALL METHOD go_tree->get_selected_nodes
 CHANGING
 ct_selected_nodes = lt_nodes
 EXCEPTIONS
 cntl_system_error = 1
 dp_error = 2
 failed = 3
 OTHERS = 4.
IF sy-subrc <> 0.
* MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
* WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
ENDIF.
CHECK ( lt_nodes IS NOT INITIAL ).
BREAK-POINT.
LOOP AT lt_nodes INTO ld_nkey.
 CALL METHOD go_tree->get_outtab_line
 EXPORTING
 i_node_key = ld_nkey
 IMPORTING
 e_outtab_line = ls_outtab-data
* e_node_text =
 et_item_layout = lt_items
* es_node_layout =
 EXCEPTIONS
 node_not_found = 1
 OTHERS = 2.
 IF sy-subrc <> 0.
* MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
* WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
 ENDIF.
 LOOP AT lt_items INTO ls_item
 WHERE ( chosen = 'X' ).
 CONCATENATE 'Item:'
 ls_outtab-kunnr
 ls_outtab-vkorg
 ls_outtab-vtweg
 ls_outtab-spart
 ls_outtab-loevm
 INTO ld_msg SEPARATED BY space.
 MESSAGE ld_msg TYPE 'I'.
 ENDLOOP.
ENDLOOP.
ENDFORM. " GET_SELECTED_NODES
Regards
Uwe

How to add a dynamic drop down list in RDLC reports in WPF

I have to Load an RDLC report in WPF application and need to include a drop down list in report.Based on the selection of drop down list different reports to be generated.I am using C# and WPF.
Eg: I have to list the details of employees in in RDLC report.There is a country drop down list, Based on the selection of country drop down list we need to display details of employees in the selected country.

Looking good.
With rdlc I think you will have to use the windows report viewer control.
If this was SAP crystal reports there's a wpf report viewer.
I never actually tried that with rdlc and I suppose there is a small chance they turn out to be compatible.
If you have questions on rdlc specifically then you're probably better finding a forum specialises in that. Not sure where that would be but maybe in the sql server forums. It's a business intelligence thing and people who do the likes of ssis are
what you want really.
I do reporting myself but I think you'll find few others who do so here.
Good luck.
Hope that helps.
Recent Technet articles:
Property List Editing;
Dynamic XAML

Regarding drop down list, any body help me plz.. very very urgent

i have to create a drop down list and in that if i select a value it should go to select query and display hte result in the output
for example if i select open in the inout list. that should go to a partiucular query which i write and after that when i process the report that option open should be displayed in the output
any body help me plz.. very very urgent

Check code below..
TYPE-POOLS: vrm.
CONSTANTS: c_pgp_cmd(20) TYPE c VALUE '/opt/pgp/bin/pgp'.
DATA : droplist TYPE vrm_values,
 dropval LIKE LINE OF droplist,
 w_command(2000) TYPE c VALUE '/usr/local/bin/ssh'.
DATA: BEGIN OF t_cmdres OCCURS 0,
 line(500),
 END OF t_cmdres.
SELECTION-SCREEN BEGIN OF BLOCK b1 WITH FRAME TITLE text-005.
PARAMETERS: tar_sys(10) TYPE c AS LISTBOX VISIBLE LENGTH 20 LOWER CASE,
 filepath TYPE esefilepath,
 pgpkey(1000) TYPE c LOWER CASE,
 option(25) TYPE c AS LISTBOX VISIBLE LENGTH 15 LOWER CASE,
 pass(100) TYPE c.
SELECTION-SCREEN END OF BLOCK b1.
INITIALIZATION.
PERFORM set_screen.
AT SELECTION-SCREEN OUTPUT.
IF option EQ 'encrypt'(000).
 LOOP AT SCREEN.
 IF screen-name = 'PASS'.
 screen-input = 0.
 MODIFY SCREEN.
 EXIT.
 ENDIF.
 ENDLOOP.
ELSEIF option EQ 'set-preferred-ciphers'(001).
 LOOP AT SCREEN.
 IF screen-name = 'FILEPATH'.
 screen-input = 0.
 MODIFY SCREEN.
 EXIT.
 ENDIF.
 ENDLOOP.
ENDIF.
START-OF-SELECTION.
write:/ 'Done'
*& Form set_screen
FORM set_screen .
dropval-key = 'oapg18dv'(002).
dropval-text = 'oapg18dv : DEV'.
APPEND dropval TO droplist.
dropval-key = 'oapg18te'(003).
dropval-text = 'oapg18te : TEST'.
APPEND dropval TO droplist.
dropval-key = 'oapg18pr'(004).
dropval-text = 'oapg18pr : PRD'.
APPEND dropval TO droplist.
CALL FUNCTION 'VRM_SET_VALUES'
 EXPORTING
 id = 'TAR_SYS'
 values = droplist
 EXCEPTIONS
 id_illegal_name = 1
 OTHERS = 2.
CLEAR: dropval,
 droplist[].
dropval-key = 'encrypt'(000).
dropval-text = 'Encrypt'.
APPEND dropval TO droplist.
dropval-key = 'set-preferred-ciphers'(001).
dropval-text = 'Set cipher'.
APPEND dropval TO droplist.
CALL FUNCTION 'VRM_SET_VALUES'
 EXPORTING
 id = 'OPTION'
 values = droplist
 EXCEPTIONS
 id_illegal_name = 1
 OTHERS = 2.
CLEAR: dropval,
 droplist[].
ENDFORM. " set_screen
Reward if useful
Function Module VRM_SET_VALUES is used to set values for droplsit..
and be careful about Text Elements in this report.
Regards
Prax

Editing drop down list

How can I show the drop down list box as empty or blank when not used as I would like to use the drop down list on a form that has multiple lines for name entries but sometimes I will not populate all of the available lines?
I am using livecycle designer 8.0 under the vista operating system on a hp 9000 laptop with 2GB of memory.

Not sure how this is related to Workspace, maybe you can post this on the designer forum. http://www.adobeforums.com/webx/.3bca1ed7/

Populate a drop down list with data from Excel and fill in a text field, based on drop down selectio

Hi!
I have a problem with a PDF form: There's a drop down list that I populate with Excel data that I've put in an XML file through an XSD file -- no problem here. The drop down list has a data binding to the XML file, so that a choice in the drop down list can be associated with an object in the XML file. So, when I make a choice in the drop down list, a corresponding object value is fetched from the XML file and put in a text field on the form.
How to do this is described by Stefan Cameron here:
http://forms.stefcameron.com/2006/07/29/dynamic-properties/
There's a snag, though, and to describe it more clearly:
The XML file contains three types of objects: role, role number, and role cost center. Of these I use the first and the third, i.e. the role and the role cost center. The drop down list contains the roles, and when I select a role, the corresponding cost center is filled out in the text field. So far, so good!
But -- if the cost center has the same value for two or more roles, all of these roles "bounce back" into the drop down list, that is, they are all selected in the drop down list. How many of these you can see depend on the height of the drop down list -- if it's low you'll only see the first one.
If I modify Stefan Cameron's data in his example I get the same behavior, so the problem seems to have to do with how XML data are fetched.
I'm sure there's a workaround, but I can't find it! I've spent many hours browsing the web without finding anyone with a similar problem.
Any suggestions appreciated!

Although your issue is far beyond mine, I was hoping you can help me out.....
I need to create a drop down list of names which I wish to somehow link to an Excel spreadsheet.
Please let me know the steps I need to do. I've tried several things, but nothing seems to work and I'm not sure what I am doing wrong.
Thank you

Using selected items from drop-down list in rest of page

Hi,
I hope I'm able to describe clearly what's the problem.
So I'm implementing a form for the moment. It contains a drop-down list. The user has to select one item from it and as a result another drop-down list on the same page needs to be filled with a couple of options. I wanna do this without refreshing the page, cos else I have to retrieve all the values from boxes that were allready filled in. Is it possible?
Greetings,
Raf

This cn be done with javascript. But you need to cache the data on first load of your jsp.
regards

LMS 4.2.3 variable name not show in drop-down list

Hi all,
I am trying to use performance threshold to trigger a script whild device CPU or Memory high.
There is a default threshold template called "CPU Utilization" and "Memory Utilization".
After I choose either one, there should be one or two variable name in drop down list.
But I only see "Select MIB Variable" in the list.
I try to create a template with exact the same variable but still got nothing in the list.
The strange thing is that no all the default template has this problem.
I can see variable name under some template like "Device Availability" or "Port Availability"
And this is not browser problem because I try both IE and Firefox.
Any one how to solve this?

Thanks for your advice.
Now all my devices are connected in Layer View [Devices View], but User Tracking still not shows me informations from several switches about hosts. Its works like randomizer. Now 5 devices form User Tracking don't show me informations.[WS3550 2 devices and 2 WS-C2960S-48LPS-L]. In lists devices Acquisition Action i check acquisition for this 5 devices. After that acquisition complete, but User Tracking still empty ( all ports on this devices are active).
SNMP, Credentials all is good.
I try resolve this problem many days, but without results. Its semmes like a bug.
ANy propositions?

Drop down Lists problem

Hi
I have two drop down lists.
One called P2_PRODUCT_GROUP which has a LOV.
Also another called P2_PRODUCTS which has another LOV.
I want P2_PRODUCTS to be filtered based on the selection I make in P2_PRODUCT_GROUP.
I've used the following SQL statement for the P2_PRODUCTS LOV:
select PRODUCT d, ID r
from PRODUCT
where ID = :P2_PRODUCT_GROUP
When I run the page, it doesnt display anything in the P2_PRODUCTS drop down list at all, even after I select a PRODUCT in P2_PRODUCTS nothing shows in P2_PRODUCT_GROUP.
What am I doing wrong?
Regards
Adam
Message was edited by:
user582756

Hi Adam,
that's the classical cascading lov problem. It's not necessary to do a page submit roundtrip, you can use AJAX instead.
Have a look at Carl Backstrom's AJAX example at http://htmldb.oracle.com/pls/otn/f?p=11933:37 or have a look at my generic cascading lov which is part of the ApexLib Framework http://inside-apex.blogspot.com/2006/11/generic-solution-for-depending-select.html
BTW, my solution also can handle a popup lov as a master.
Patrick
My APEX Blog: http://inside-apex.blogspot.com
The ApexLib Framework: http://apexlib.sourceforge.net
The APEX Builder Plugin: http://sourceforge.net/projects/apexplugin/

Controlling drop down list in struts

Hi there!
I 've a form whereby in the form, I've 2 drop down list and data displayed in the second drop down list is depending on the data selected from the first drop down list. Both data are read from database.
After finished selected the selection from both drop down list then I'll submitt the button.(Save, Update etc ).
I used DispactAction to take control the buttons.
My Question is how to do it.
Any help pretty much appreciated. Thanks.

Hi,
In ur Action Class create aa ArrayList of LabelValueBean Object (use import org.apache.struts.util.LabelValueBean; )
Eg:
ArrayList myList = new ArrayList();
for( int i=0; i<10 ; i++ )
myList.add( new LabelValueBean( "Label of "+ i , " value of " +i ) );
}put myList either in request or session
eg
session.setAttribute( "DisplayList", myList );****************************************************************
in JSP use JSTL Tags for JSP
eg
<html-el:select property="listToDisplay" style="width=200" size="1">
<html-el:option value="-1">--Select One--</html-el:option>
<html-el:options collection="DisplayList" property="value" labelProperty="label" />
</html-el:select>Here "DisplayList" will be ref'ed from session scope or request scope.
Hope this can solve ur Doubt.
Ganesh

How to get the selected value/key of a drop down list box in webdynpro Java

Dear SDN Members,
I have added some static data into a drop down list box by key UI element using the procedure specified in value help tutorial.
Now i want to display the value selected in a dropdown list box on view whenever i select an item in a dropdown list box.
Can any one put here the code part relating to this.
Your help will be awarded.
Thanks in advance,
Regards,
Sireesha.B

Hi Sireesha,
You want to display value based on the key selected in dropdown list. If you want to do like that
1) Create a context attribute for ex: key_value
2)In the properties of the attribute select the calculated as true.
3)It will create getter and setter methods for your attribute.
4)Go to implementation add the following code in getter method of your attribute
String attributeName = IPrivateCreate.IContextElement.KEY;
//KEY is your dropdown key attribute not the value attribute.
IWDAttributeInfo attributeInfo = element.node().getNodeInfo().getAttribute(attributeName);
ISimpleTypeModifiable simpleType = attributeInfo.getModifiableSimpleType();
IModifiableSimpleValueSet valueset = simpleType.getSVServices().getModifiableSimpleValueSet();
Object key = element.getAttributeAsText(attributeName);
return valueset.getText(key);
Regards
Suresh

Drop Down List By Key - Including a blank selection

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