Button to call pl/sql stored proc using text box value as parameter

I need to create a portal page with an input text box and a button (or a clickable pl/sql item). A user will enter a value in the text box and click the button, a stored pl/sql procedure will be executed that takes the value of the text box as an input parameter. The procedure output (basically a success or an error message) must be printed in a new window which the user can close after checking the output. No redirection to another page is required.
I have no experience in developing portal pages and would appreciate if you point me in a right direction. Do I need to create an html form and obtain the value of the text box via p_session object? In this case what do I need to specify as ACTION for the form - the same page URL? Where should I place the call to the stored procedure? Or can I somehow use a pl/sql item?
Thank you for your help

Hi Arnaud
Thank you for the reply. Could you please give me dome more details. I have created a procedure:
create or replace procedure grant_roles (p_username varchar2) as
begin
<code>
htp.p('Grant succeeded for username is '||p_username);
exceptions when others then
htp.p('Grant failed. '||v_err_msg);
end;
and an html portlet:
<html>
<body>
<form name="input" action="/pls/portal/pls/portal_public.grant_roles_test?p_username=anna" method="get">
<input type="text" name="t_username" size="20">
<br>
<input type="submit" value="Grant">
</form>
</body>
</html>
Obviously this is not the right way to call my procedure as it does not work. And of course I want to pass the value of the t_username text box to the procedure not the string "anna". I am also not sure where a procedure prints its output. Is it possible to open a new window to display the output?
Thank you for your help,
Anna

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Hi，
According to your description, I think you want to call a store procedure in PowerPivot with the parameters which are stored in the cells of an Excel workbook.
Are you using the PowerPivot add-in in Excel or PowerPivot in SQL Server?
This forum is to discuss problems of Office development such as VBA, VSTO, Apps for Office .etc. If you are using Excel PowerPivot, since it is an add-in for Excel and it doesn't publish API for us, we cannot automatically call a stored procedure in Excel.
We can get the data from Cells A2 and B2 with code, but it's hard to set it as the parameters of a SP when calling it from PowerPivot. About calling a SP from Excel manually, you could post in
Excel IT pro forum for more effective responses.
If you are using PowerPivot in SQL Server, I'm afraid your issue is more related to the feature of PowerPivot. We can get data from SQL Server database into Excel workbook, but I'm not sure whether we can get data from Excel cells in SQL Server. So I suggest
you posting in
SQL Server PowerPivot forum for more effective responses.
We are trying to better understand customer views on social support experience, so your participation in this interview project would be greatly appreciated if you have time. Thanks for helping make community forums a great place.
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Syed

need to call a PL/SQL procedure from a JSP tag , I donot want to use any Bean to call the PL/SQL procedure. How would I call PL/SQL stored procedure from within JSP using JSP tag library, need some code.
regards
Indira Rani Bandi

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