Identifying user selection in reuse_alv

Hi,
Could anyone tell me how to identify how many rows the user has selected in a ALV grid display. I can have a function button in my toolbar, and when the user selects that button, I have to identify the number of rows the user has selected. Is that possible using REUSE_ALV functionality.
Regards,
Vijay

add a field in ur itab with name chk type c length 1 ,this will not display ur checkbox,just one hidden field.
add these lines:
layout-box_fieldname = 'CHK'.
layout-box_tabname = 'ITAB'.
LOOP AT gt_fieldcat.
CASE gt_fieldcat-fieldname.
WHEN 'CHK'.
gt_fieldcat-no_out = 'X'.
ENDCASE.
MODIFY gt_fieldcat.
ENDLOOP.
i_callback_user_command = 'USER_COMMAND'
FORM USER_COMMAND *
--> R_UCOMM *
--> RS_SELFIELD *
FORM user_command USING r_ucomm LIKE sy-ucomm
rs_selfield TYPE slis_selfield.
Assume that you define fcode as ROWS
CHECK r_ucomm = 'ROWS'.
CHECK rs_selfield-tabindex > 0.
rs_selfield-refresh = 'X'.
loop at itab where chk eq 'X'.
count = count + 1.
endif.

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    For example,
    I have a table in the page,with 10 records.User select 5 of them.Can I display these 5 records in the printable page?
    Please help.

    Hi Yannick,
    Thanks a lot for the information. It worked.
    The portlet data can be accessible using bindings, but parameter name can be different.
    Meanwhile I have got one more scenario, where the Portlet and Task Flow placed in different pages of WCP Application. On change of data in the Portlet the application should navigate to another page where the Task Flow placed and displays selected data.
    Basically I can not use any button for navigation. The navigation should happen once I do some action in Portlet.
    Is this possible? If yes can you please let me know the steps?
    Thanks in advance!
    Somnath
    Edited by: Somnath Basak on Dec 20, 2011 9:41 AM

  • Pass user selected variable to Entity implementation class

    Guys,
    I need to pass the user selected variable to Entity class. and looking for the best way to do this ......
    If user selected process1 or process2 then I need to call stored procedure right before the commit. So i need to pass the user selected process to entity class file.
    I am thinking about having a transient attribute on entity and set the value on front end..... so that value will be pass to the entity class file and in beforeCommit method i can check the value of transient variable and then call stored procedure
    is this a good approach or any other suggestions are greatly appreciated....
    thank you
    -Raj

    Thank you Timo and Jobinesh....
    Good suggestion Jobinesh... will start the implementation
    Thank you
    -Raj

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