December 2010
Intermediate to advanced
451 pages
11h 16m
English
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14-12. Creating an Input Form with AJAX
Problem
You need a web application that can interactively retrieve data based on partial data entered by the user. The data must be retrieved before the user clicks the Submit button to process the page.
Solution
Use JavaScript and Ajax to dynamically retrieve data as the user enters data into the web form. This recipe uses the EMPLOYEES table in the HR schema.
The data entry screen is built with all managers in a single dropdown list, which includes a call to a JavaScript procedure that invokes Ajax to retrieve subordinate data. Once the user selects a manager, the employee dropdown list populates with the manager's subordinates. The subordinates' dropdown list is defined with an ID, which is required ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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