Adobe® Dreamweaver® CS4 How-Tos: 100 Essential Techniques

^#72 Validating Text Field Input

Many times you will want to test content entered into a text field before you allow a visitor to submit the form. For example, you might require a visitor to enter his or her name before submitting a form. In that case, the validation test would be that a visitor could not leave the Name field blank before submitting it. The Spry Validation Text Field widget can detect a blank field and alert the person filling out the form that a name is required before the form can be submitted.

Accessible Text Fields

As discussed in Chapter 10, “Collecting Data in Forms,” if you have accessibility prompts turned on in Dreamweaver Preferences, you will be prompted to enter accessibility attributes for a text field as you define ...