Dynamic Page that calls DB procedure to update data gets PLS222 or PLS306

This seems a bit odd to me: I'm getting either "procedure no in scope" (when I call a procedure with the right args) or "wrong # or type of arguments" (when I call it with the wrong ones, so it is checking the procedure) in a dynamic page.<P>
I'm trying to build a dynamic page that will display data and checkboxes (basically to get around the multi-select limitations -- management has told me that the "fake" md form is not acceptable)<P>
So I build the page, it displays the data just fine exactly as we want it to:<P>
<HTML><FORM><ORACLE>declare
p_mdoc_user portal.wwv_utl_api_types.vc_arr;
p_mdoc_user_seq portal.wwv_utl_api_types.vc_arr;
p_seg_id portal.wwv_utl_api_types.vc_arr;
p_cb portal.wwv_utl_api_types.vc_arr;
p_action varchar2(20):='Save Changes';
begin
htp.p('Select your segments');
htp.p('< p>');
htp.p('<table border=2 cellpadding=2 cellspacing=0>');
htp.tablerowopen;
htp.tableheader('Seg#');
htp.tableheader('Included');
htp.tablerowclose;
for r1 in (select seg_id, build_seg
from web.mdoc_create_seg
where mdoc_user = :mdoc_user
and mdoc_user_seq = :mdoc_user_seq)
loop
htp.p('<input_type="hidden" name="p_mdoc_user" value='||:mdoc_user||'>');
htp.p('<input_type="hidden" name="p_mdoc_user_seq" value='||:mdoc_user_seq||'>');
htp.p('<input_type="hidden" name="p_seg_id" value='||to_char(r1.seg_id)||'>');
htp.p('<tr><td>');
htp.p(r1.seg_id);
htp.p('</td><td>');
if r1.build_seg='TRUE' then
htp.p('<input type="checkbox" name="p_cb" value="Y" checked>');
else
htp.p('<input type="checkbox" name="p_cb" value="Y">');
end if;
htp.p('</td></tr>');
end loop;
htp.p('</table>');
htp.p('< p>');
/*note, this is where I'm putting in a procedure call to update*/
end;
</ORACLE></FORM></HTML><P>
so then I try to add the procedure call (where the sql*plus comment is above)<P>
htp.p('<input type="button" value="Save Changes" onclick='||
mdoc_seg_create_choice_p(
p_mdoc_user,
p_mdoc_user_seq,
p_seg_id,
p_cb)
||'>');<P>
When I try to run as portlet, I get pls 222 not in scope. <but>
When I take a value out (say remove the last ",p_cb") - I get pls 306 wrong number or type of args to call.<P>
I've granted the procedure and its underlying tables to portal/public/and portal_public, even though I'm building the dynamic page under a DB provider that is the same as the schema I wrote the procedure in.<P>
I've tried specifying the schema, using a public synonym, and putting it in a package: same thing occurs, either I get pls 00222 not in scope when I call it with the right columns, or if I purposefully leave one out I get PLS 00306 wrong # or type of args.<P>
Any ideas?
-Mike

Hi guys
Check out the last 2 posts in this thread for ideas on how to implement 1.
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