Chapter 4. Handling the Client Request: Form Data
Topics in This Chapter
Reading individual request parameters
Reading the entire set of request parameters
Handling missing and malformed data
Filtering special characters out of the request parameters
Automatically filling in a data object with request parameter values
Dealing with incomplete form submissions
One of the main motivations for building Web pages dynamically is so that the result can be based upon user input. This chapter shows you how to access that input (Sections 4.1–4.4). It also shows you how to use default values when some of the expected parameters are missing (Section 4.5), how to filter < and > out of the request data to avoid messing up the HTML results (Section 4.6), how to create ...
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