Data validation is very important in web applications. You do not want your users to enter incorrect data. Our web application builders can help you with this.
In this article we cover different validation type starting with built-in validation and making it all the way through to advanced AJAX-based validation.
Client-side validation
Client side validation (Javascript based) provides instant feedback to the user making it a good usability choice.
Built-in validation types
This validation will work if you need to make sure that all required fields are populated or validate a relatively simple data format like US Social Security Number.

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