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• ASP.Net validation controls

  - by nikolaosk

  In this post I would like to continue talking about validation in ASP.Net applications. I will look into the validation controls that ASP.Net provides. You can have a look at the first post in my blog regarding validation. You will show you that we can perform all our main validation tasks without almost writing any code. We will add validation to…

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• HTML5 Form Validation

  - by Stephen.Walther

  The latest versions of Google Chrome (16+), Mozilla Firefox (8+), and Internet Explorer (10+) all support HTML5 client-side validation. It is time to take HTML5 validation seriously. The purpose of the blog post is to describe how you can take advantage of HTML5 client-side validation regardless of the type of application that you are building.…

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• HTML5 Form Validation

  - by Stephen.Walther

  The latest versions of Google Chrome (16+), Mozilla Firefox (8+), and Internet Explorer (10+) all support HTML5 client-side validation. It is time to take HTML5 validation seriously. The purpose of the blog post is to describe how you can take advantage of HTML5 client-side validation regardless of the type of application that you are building.…

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• jQuery Validation plugin: disable validation for specified submit buttons

  - by Ted

  I have a form with multiple fields that I'm validating (some with methods added for custom validation) with Jörn Zaeffere's excellent jQuery Validation plugin. How do you circumvent validation with specified submit controls (in other words, fire validation with some submit inputs, but do not fire validation with others)? This would be similar…

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• Data validation: fail fast, fail early vs. complete validation

  - by Vivin Paliath

  Regarding data validation, I've heard that the options are to "fail fast, fail early" or "complete validation". The first approach fails on the very first validation error, whereas the second one builds up a list of failures and presents it. I'm wondering about this in the context of both server-side and client-side data validation. Which…

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• ASP.NET MVC Validation Complete

  - by Ricardo Peres

  OK, so let’s talk about validation. Most people are probably familiar with the out of the box validation attributes that MVC knows about, from the System.ComponentModel.DataAnnotations namespace, such as EnumDataTypeAttribute, RequiredAttribute, StringLengthAttribute, RangeAttribute, RegularExpressionAttribute and CompareAttribute from the…

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• Adding Client Validation To DataAnnotations DataType Attribute

  - by srkirkland

  The System.ComponentModel.DataAnnotations namespace contains a validation attribute called DataTypeAttribute, which takes an enum specifying what data type the given property conforms to.  Here are a few quick examples: public class DataTypeEntity { [DataType(DataType.Date)] public DateTime DateTime { get; set; } …

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• Form Validation Options

  The steps involved in transmitting form data from the client to the Web server User loads web form. User enters data in to web form fields User clicks submit On submit page validates fields using JavaScript. If validation errors are found then the validation script stops the browser from canceling posting the data to the web server and…

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• Javascript form validation - what's lacking?

  - by box9

  I've tried out two javascript form validation frameworks - jQuery validation, and jQuery Tools validator - and I've found both of them lacking. jQuery validation lacks the clear separation between the concepts of "validating" and "displaying validation errors", and is highly inflexible when it comes to displaying dynamic error messages.…

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• How can I use Windows Workflow for validation of a Silverlight application?

  - by Josh C.

  I want to use Windows Workflow to provide a validation service. The validation that will be provided may have multiple tiers with chaining and redirecting to other stages of validation. The application that will generate the data for validation is a Silverlight app. I imagine the validation will take longer than the blink of an eye,…

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• Client Side Form Validation vs. Server Side Form Validation

  In my opinion, it is mandatory to validate data using client side and server side validation as a fail over process. The client side validation allows users to correct any error before they are sent to the web server for processing, and this allows for an immediate response back to the user regarding data that is not correct or in the…

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• Clear validation on textInput when validation is not enabled

  - by Jon

  Hi, I've created a custom textInput componenet that handles it's own validation using a private validator. The validation is enabled depending on the state of the component i.e. validation is enable when the components state is "edit". However, when the state changes from edit the internal validator is set to not enabled but the …

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• Asp.Net MVC 2 Client validation implementation for Enterprise Library Validation Block

  - by er-v

  Hello to everybody. I've found a very good article about how to use EntLib Validation Block for server validation in MVC 2. But as there pointed out The current design of EntLib’s Validation Application Block uses the Composite pattern; that is, when we ask for validation for an object, it returns back a single validator object…

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• Adding Unobtrusive Validation To MVCContrib Fluent Html

  - by srkirkland

  ASP.NET MVC 3 includes a new unobtrusive validation strategy that utilizes HTML5 data-* attributes to decorate form elements.  Using a combination of jQuery validation and an unobtrusive validation adapter script that comes with MVC 3, those attributes are then turned into client side validation rules. A Quick Introduction to…

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• How best to implement HTML5 support for my validation library

  - by Vivin Paliath

  I have created an annotation-based validation library called regula. There seems to be some amount of interest around the framework and the next thing I'd like to do is to support HTML5 validation. Originally I figured that I would check to see if the browser supported the HTML5 validation that has been specified and to either…

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• Globalizing ASP.NET MVC Client Validation

  - by Latest Microsoft Blogs

  One of my favorite features of ASP.NET MVC 2 is the support for client validation. I’ve covered a bit about validation in the following two posts: ASP.NET MVC 2 Custom Validation covers writing a custom client validator. Localizing ASP.NET MVC Validation Read More......(read more)

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• Setter Validation can affect performance?

  - by TiagoBrenck

  Whitin a scenario where you use an ORM to map your entities to the DB, and you have setter validations (nullable, date lower than today validation, etc) every time the ORM get a result, it will pass into the setter to instance the object. If I have a grid that usually returns 500 records, I assume that for each record it…

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• javax.validation.ConstraintViolationException: validation failed for classes during update time for groups

  - by Tim

  Hello all! I have a Java / Spring MVC 3 application, using Hibernate and a MySQL database. In my controller, I have this source code: Set<ConstraintViolation<Person>> failures = validator.validate(p); if (failures.isEmpty()) { Project project = this.projectService.findProjectById(projectid); Person…

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• MVC: On partial page start validation from JS without postback

  - by dwilliams459

  How do I start validation from the client/javascript using the MS MVC Validation library? Using MS ASP.Net MVC, I have a page with a PartialView in a modal dialog (change password). When the user selects 'save', I need to validate this on the client side without a full page postback. I am able in JS to post and…

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• Drupal FAPI: Add form elements on nodeform after validation

  - by ManuelBS

  Hi, I use Drupal 6.x. In my own module I alter each node form an add my own validation handler to it using $form['#validate'][] = 'my_own_validation_function'; Then I have the function function my_own_validation_function($form, &$form_state) { //if validation fails, i would like to rebuild the form to add…

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• JQuery Validation Plugin: Prevent validation issue on nested form

  - by Majid

  I have a form on which I use validation. This form has a section for photo upload. Initially this section contains six elements with the following code: <img class="photo_upload" src="image/app/photo_upload.jpg"> I have bound a function to the click event for the class of photo_upload. This function…

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• Struts Form Validation Don't Perform Validation Depending on button clicked

  - by cedric

  Hi. I have a j2ee web application running on struts. I am using validation XMLs for my form validation. I have a problem with multiple buttons in One form. I have Save, Delete and Cancel buttons. The problem is I want that when the delete button is clicked the validation is not performed. How do I do this.

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• New Validation Attributes in ASP.NET MVC 3 Future

  - by imran_ku07

       Introduction:             Validating user inputs is an very important step in collecting information from users because it helps you to prevent errors during processing data. Incomplete or improperly formatted user…

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• ASP.NET MVC 3 Client-Side Validation Summary with jQuery Validation (Unobtrusive JavaScript)

  - by Soe Tun

  When we were working with ASP.NET MVC 2, we needed to write our own JavaScript to get Client-Side Validation Summary with jQuery Validation plugin. I am one of those unfortunate people still stuck with .NET Framework Runtime 2.0 and .NET Framework 3.5; meaning I am still on ASP.NET MVC 2. So I…

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• ASP.NET NVC - Add XHTML into validation error messages

  - by Neil

  Hi, Just starting with ASP.Net MVC and have hit a bit of a snag regarding validation messages. I've a custom validation attribute assigned to my class validate several properties on my model. When this validation fails, we'd like the error message to contain XHTML mark-up, including a link to…

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