How to handle selection event in alv component

Hi all,
i am new to webdynpro abap. and i want to know how to handle selection event(such as select all / unselect ) in my simple alv application.
Thanks very much

Hi,
By default when you use the selection mode for the ALV as Multi/Mutli No Lead then this option is enabled.
Try to implement the event ONLEADSELECT and check wether this event is triggered or not.
DATA: lo_value type ref to cl_salv_wd_config_table.
    CALL METHOD lo_value->if_salv_wd_table_settings~set_selection_mode
      EXPORTING
        value = cl_wd_table=>e_selection_mode-multi_no_lead.
Try to implement these event for ALV and put a break-point and test which event is getting triggered.
ON_CLICK
ON_DATA_CHECK
ON_FUNCTION
ON_LEAD_SELECT
ON_STD_FUNCTION_AFTE
ON_STD_FUNCTION_BEFO
Please provide more inputs.
Regards,
Lekha.

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below is the sample code for handling an interactive ALV report, hope this helps you ..
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TYPE-POOLS:SLIS.
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wa type zmy_table.
data:
node_employee type ref to if_wd_context_node,
elem_employee type ref to if_wd_context_element,
stru_employee type wd_this->element_employee ,
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navigate from <CONTEXT> to <EMPLOYEE> via lead selection
node_employee = wd_context->get_child_node( name = wd_this->wdctx_employee ).
@TODO handle not set lead selection
if ( node_employee is initial ).
endif.
get element via lead selection
elem_employee = node_employee->get_element( ).
@TODO handle not set lead selection
if ( elem_employee is initial ).
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importing
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from zmy_table
into table itab
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If in the selected row contain 'A' value then i have to disable the Button given on the screen.
If in the selected row contain B' value then i have to enable the Button given on the screen.
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Hi Experts,
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Thanks in advance.

Hi,
I guess you have created the node as dynamic and also set this to the ALV..
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endloop.
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Edited by: Lekha on Dec 17, 2009 6:10 PM

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Pramod

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How to handle Valuechange events, when page bean is in request scope

Hello balusc and forum mates,
I want to know is there any good way to handle ValueChangeEvents events, when the page's bean in request scope.
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Please I really need it.

Hi Frank...
In my code i used almost same logic as Andrejus Baranovskis has explained in his Editable Table example...
You can refer that example to see what problem I'm facing...
http://andrejusb.blogspot.com/2007/04/create-edit-and-delete-operations-in.html
The Bean Scope in this Example is Session scope...Save button is working fine...
But as i Change the bean scope to Request scope then Save button is not working for Edit but it is working for Delete Action very well..
I want that save button should work also for Edit action in Request Scope..
Please Make me understand that why it is happened like that..
and help me to find the solution..
and Also if you have a better document to Explain the life cycle of Application in Different Bean Scope...So please provide me that Doc to me...
It would be a great help for me to understand the concept of session...
Thanks Frank
Fizzz...

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