December 2010
Intermediate to advanced
451 pages
11h 16m
English
Content preview from Oracle and PL/SQL Recipes: A Problem-Solution Approach
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14-8. Passing Data Between Web Pages
Problem
You have a multi-page data entry form in which the final page requires data entered on pages that precede it. You need to pass the data gathered on previous pages to the current page.
Solution
Pass the name/value pairs from previous pages using the htp.formHidden procedure in the PL/SQL Web Toolkit. In this recipe each parameter is passed to the next form using hidden HTML elements.
CREATE OR REPLACE PACKAGE multi AS
PROCEDURE page1;
PROCEDURE page2 (var1 varchar2);
PROCEDURE page3 (var1 varchar2, var2 varchar2);
PROCEDURE process (var1 varchar2, var2 varchar2, var3 varchar2);
END multi;
CREATE OR REPLACE PACKAGE BODY multi AS
PROCEDURE page1 IS
begin
htp.formOpen ('multi.page2', ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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