CHAPTER 8Working with Input Components
Input text fields are the weakest link in the chain of preventing “garbage in, garbage out.” Therefore, the most important things to validate in an input form are the types and quality of data that a user can enter.
Input components are perhaps the most straightforward components to understand, and the easiest to use. Their simplicity doesn’t diminish their usefulness, however. They are key to allowing end users to add and modify data, which of course has many implications for data-bound web applications. Input components can be divided into three categories: components for inserting text, components for inserting special values such as dates and numbers, and components for selecting one or more values ...
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