Passing parameter through when mouse click trigger

Question

I have a detail block.This block fetching multiple records.My query is how can i pass parameter though WMC trigger.
My details block displaying data from 4 tables.
When i click on any field all the data on that row must be my parameters.

Answer 1

In first form in when mouse click trigger:
SELECT xyz
INTO :GLOBAL.xyz,
FROM abc
WHERE v.po_no = :SYSTEM.MOUSE_ITEM
AND IMT21_SIT.C_SIT_NO = IMT22_RECT_HD.C_SIT_NO;
EXCEPTION WHEN NO_DATA_FOUND THEN
     MESSAGE('PLEASE CLICK ON PO NO');
logout;
logon('abc','[email protected]');
open_form ('C:\CUSTOMER_SERVICES\SUPL_FAS');
in second form in when new form instance trigger:
block_name.field_name := :GLOBAL.xyz;
it show error..........