C H A P T E R 17
Validating Form Data
Most web applications use HTML forms to gather some kind of data from the user. This can range from simple data such as a name and password to complex data that is critical to business processes. As web application developers, we are responsible for taking the data that the user provides and making sense of it. Users are human, and they can make mistakes or misread instructions. The process of checking the inputs we receive is called validation. This chapter describes the set of Web Forms controls that support validation.
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