I have been trying to create some Parameters in the Data Environment but
I am unable to do so. Can anyone help me. Below is how I do it

In visual basic 6 when i want to make a new report
i) First I have already created the Connections using Oracle 8.1.3
ii) Then I creata a new Command
iii) Under the Properties of the Command there is
a Tab Box which have the Tab for
General,Parameters,Relations,Groupings,
Agregates,Advance
iv) Under the General Tab in the SQL Builder
I put the SQL under the Design that I want for the report as
shown below

SELECT DISTINCT
ei.call_origin_access_no, ei.account_no, c.code_des, s.tos_yn,
s.current_balance, SUM(ei.event_amount)
FROM event_itemisation ei, codes c, subscribers s
WHERE c.CODE_TP_CD = 'ACCOUNT' AND
c.code LIKE @ PARAMETER1_STRING
AND c.CODE = s.ACCOUNT_CLASS_CD AND
ei.account_no = s.account_no AND
event_date = @ PARAMETER2_DATE
GROUP BY ei.call_origin_access_no, ei.account_no, c.code_des,
s.tos_yn, s.current_balance
HAVING SUM(ei.event_amount) > 50000


v) There is 2 parameters in this SQL that I need to pass
to this SQL the VB Form level (PARAMETER1_STRING and PARAMETER2_DATE)

vi) I don't know how to pass the parameter to this
SQL because it always give me error in the Design section
under the SQL Builder

vii) I tried using the Tab for Parameters under the
Tab Box of COmmand Properties but I cannot
enter anything in there because it is always
Untabable and nothing can be entered in there