Use ActionScript to validate form data : Form Validator « Components « Flex

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Flex » Components » Form Validator Screenshots  Use ActionScript to validate form data             <?xml version="1.0" encoding="utf-8"?> <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute" initialize="initializeHandler(event)">   <mx:Script>            import mx.validators.Validator;       private var _validator:Validator;       private function initializeHandler(event:Event):void {         _validator = new Validator( );         _validator.source = username;         _validator.property = "text";       }      </mx:Script>   <mx:Form>     <mx:FormHeading label="Sample Form"/>     <mx:FormItem label="Name">       <mx:TextInput id="username"/>     </mx:FormItem>     <mx:FormItem>       <mx:Button id="button" label="Submit"/>     </mx:FormItem>   </mx:Form> </mx:Application>                                                          Related examples in the same category 1. Using Flex validators with form models 2. Set up validator for Form input fields 3. Use Validator to validate data from a form 4. Validator, Model and Form controls 5. Using Validators.validateAll() method to validate a form 6. Validating form control contents data on user entry 7. Validate form data with ActionScript 8. Validating user input for form data 9. Change form input box label when data is not valid 10. Validate a date entered into a form 11. Validate an e-mail address to ensure that it is formatted correctly