Chapter 3. Get Interactive – Forms and Flow Control
Users interact with web applications in many different ways, for example, browsing the site, playing audio and video, or entering data. In this chapter, forms are used to get user input and react to it. It explains how parameters are passed from the client side and accessed by the application. Routing and error page handlers are used for flow control.
In this chapter, you will learn the following:
- What are the different ways of form submission
- How the parameters are passed between client and server
- How to control the page flow with routing and the error page handler
- How to create a session
- How to upload and download files
