NET, data validation was performed through scripts using either Java Script or VBScript.This increases performance and reduces traffic over the Web.I do a lot of MVP UI´s, and they really help in the direction of creating UI unit tests.One part of the UI that is overlooked in the testing is the validation since it´s done by ASP. The guidance in this bundle is designed to help you streamline the end-user experience of your web applications by utilizing ASP. Additionally you will find guidance on how to improve maintainability of your applications by reusing domain object validations across multiple screens, applications and tiers.Let's start with the task: The next thing we need to do is the validation. As of Spring 3.1 the @Request Body method argument can be annotated with @Valid or @Validated annotation to invoke automatic validation.In such a case Spring automatically performs the validation and in case of error Method Argument Not Valid Exception is thrown.You'll also find a set of guidelines on how to perform security validation in order to protect your sites from SQL Injection, Cross-Site scripting, etc.
There are several properties that assist you in managing your business rules.
NET AJAX Validator Callout Extender this one is also time consuming and has to be done for each input controls.
The Futures release provides a number built-in validation controls: Sonic has one tier of validation - based on your database Schema.
Now, we can easily extract error messages and return it in an error object as JSON.
Exception handler method does not need to be located in the same controller class. As of Spring 3.2 @Request Body method argument may be followed by Errors object, hence allowing handling of validation errors in the same @Request Mapping.
Kevin details how to make use of Sub Sonic's out of the box solution and how to customize it to emulate Rails/Django-like model validation. Project Validation Everywhere´s purpose is to create a framework for declarative validation, so you can use the same validation logic through all the different environments that your Business Layer might be running against.