Validation

validation

Great Reads

"smart" WPF text-box with Input Restriction and Validation

by Daniel Brousser

Custom TextBox control for UI input validation

A Beginner's Tutorial on Validating Model Data and Unobtrusive Client side Validation in ASP.NET MVC

by Rahul Rajat Singh

In this article we will try to see how we can use DataAnnotations to perform validations of Model classes in an ASP.NET MVC application.

A framework for comprehensive validation of user input

by A. Ganzer

Validation of input made as easy as possible for Windows.Forms, WPF, console-applications or any other purposes

A Tiny JavaScript Framework for Common Validation Scenarios

by Rahul Rajat Singh

This article describes some reusable JavaScript functions that can be used to create the input fields which accept some specific type of data. It also provides functions to validate the data.

Latest Articles

"smart" WPF text-box with Input Restriction and Validation

by Daniel Brousser

Custom TextBox control for UI input validation

A Beginner's Tutorial on Validating Model Data and Unobtrusive Client side Validation in ASP.NET MVC

by Rahul Rajat Singh

In this article we will try to see how we can use DataAnnotations to perform validations of Model classes in an ASP.NET MVC application.

A framework for comprehensive validation of user input

by A. Ganzer

Validation of input made as easy as possible for Windows.Forms, WPF, console-applications or any other purposes

A Tiny JavaScript Framework for Common Validation Scenarios

by Rahul Rajat Singh

This article describes some reusable JavaScript functions that can be used to create the input fields which accept some specific type of data. It also provides functions to validate the data.

All Articles

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validation

A Beginner's Tutorial on Validating Model Data and Unobtrusive Client side Validation in ASP.NET MVC

by Rahul Rajat Singh

In this article we will try to see how we can use DataAnnotations to perform validations of Model classes in an ASP.NET MVC application.

A framework for comprehensive validation of user input

by A. Ganzer

Validation of input made as easy as possible for Windows.Forms, WPF, console-applications or any other purposes

A Tiny JavaScript Framework for Common Validation Scenarios

by Rahul Rajat Singh

This article describes some reusable JavaScript functions that can be used to create the input fields which accept some specific type of data. It also provides functions to validate the data.

Aspect Oriented RequestObject(DTO) Validation in WCF with FluentValidation and CastleWindsor

by Oğuzhan Soykan

Automated monkey or specific validations for WCF or REST services with Fluentvalidation and CastleWindsor

Async Validation in WPF

by Valerii Tereshchenko

Asynchronous validation for MVVM(WPF)

Business Validation Techniques on SOA

by Nestor Marsollier

A point of view about business validations on enterprise applications

CFilterEdit: Use Regular Expressions to Filter Your Input

by Ben Hanson

The definitive approach to filtering input text. Includes configurable error display.

CompareValidator

by ASP.NET Community

The CompareValidator control compares the value of one control to another, or to an explicit value in the control's ValueToCompare property.

Composite Application Reloaded

by Super Lloyd

A much simpler composite application library.

Conditional ASP.NET MVC Validation using Data Annotation Attributes

by Talal Tayyab

Declaration of conditional logic for Data annotation validation attributes

Conditional Validation in WPF using Attributes

by Dilip Nandakumar

Extending Data Annotations library to support conditional validation in WPF

Customized Message Bar

by ASP.NET Community

Today I will show you the message bar which I normally used to display the standard place to display the messages like confirmation, errors,

customvalidator

by ASP.NET Community

The CompareValidator control compares the value of one control to another, or to an explicit value in the control's ValueToCompare property.

customvalidator

by ASP.NET Community

The customvalidator control allows writing custom validation for a control. So, if the others validators: RangeValidator, RequiredFieldValidator,

Declarative and Responsive Constraint Validation with mODELcLASSjs

by Gerd Wagner

Avoiding boilerplate code for constraint validation in a JavaScript front-end web app by using the model-based framework mODELcLASSjs

Enhanced Validation and Extending ASP .NET Forms

by Ronald Partridge

Enhances your ASP.NET forms with fancy highlighting and combining validation groups

HandlEdInput - Powerful and Highly Customizable Input Handler for TextBox, RichTextBox and ComboBox

by Edwyn Amador

Handles and validates input typing and pressed keys in TextBox, RichTextBox and ComboBox, displaying custom balloon tips messages

Input and Data Validation

by ASP.NET Community

Garbage in, garbage out. You can avoid data cleanup tasks on the backend by avoiding bad data coming in. ASP.NET validation controls and third party

JavaScript Front-End Web App Tutorial Part 2: Adding Constraint Validation

by Gerd Wagner

Learn how to develop front-end web apps with responsive (HTML5) constraint validation using plain JavaScript. Do not use any framework/library (like jQuery or Angular), which just create black-box dependencies and overhead, and prevent you from learning how to do it yourself.

jQuery culture validation in ASP.NET Core 2.0

by Stefan Vincent Haug

Getting started with jQuery validation and setting up culture specific validation in ASP.NET Core 2.0

Learn HTML 5 in 3 days – Day 1

by Marla Sukesh

Welcome to day 1 of Learn HTML 5 in 3 days article series

Learn HTML 5 in 3 days – Day 3 – Part 1

by Marla Sukesh

In this article we will talk about Server Sent Events in detail.

Localization and Complex Validation in MVVM

by uncager

Presents methods to handle some of the trickier aspects of MVVM, including error message localization, multi-control validation, validation with multiple instances of a View, and whole-View validation.

Mimick - A Fody Aspect-Oriented Weaving Framework

by Chris Copeland

A managed library for automated dependency injection, contract validation, and custom aspect-oriented decorator implementations

MVC – Custom Validation (get conditional error messages from XML file)

by Suraj Pant

Create custom validation in ASP.Net MVC application through data annotation and get customized error messages from XML file.

MVVM Data Validation

by Jeroen Richters

This article describes a validation framework for MVVM based WPF controls.

NumberBox Class for Number Entry/Display

by siliconvideo

A NumberBox class for number entry, display, range limits and keystroke validation including binary

PHP A to Z

by Gazmend Jakupi

Tutorial for developing in PHP

PHP Mail Injection Protection and E-Mail Validation - A Beginner's Tour

by M-Badger

A tour of various methods for protecting against PHP mail header injection and e-mail validation

RegularExpressionValidator

by ASP.NET Community

The RegularExpressionValidator control confirms that the entry matches a pattern defined by a regular expression. This type of validation allows you

requiredfieldvalidator

by ASP.NET Community

The RequiredFieldValidator control is used to ensures that a input field is not skiped inthe entry. The control fails validation if the value it

Silverlight basics: Validation

by outcoldman

An article about Silverlight validation: DataAnnotations and ValidatesOnExceptions, IDataErrorInfo and INotifyDataErrorInfo.

Simple client and server side validation framework in Java

by abhinav_soni

Very simple XML based framework for client and server side validation frameworks in Java.

StringBox Control with Keystroke Validation

by siliconvideo

This StringBox control implements keystroke validation using regular expressions and a touch of glue logic

Units of Measure Validator for C#

by Henning Dieterichs

This library provides a MSBuild task for compile time validation of units of measurement within C# code.

Validating Incoming JSON using Upida/Jeneva

by vladimir husnullin

Web development using JSON is simple

Validating User Input - WPF MVVM

by Wayne Gaylard

Validating user input in a WPF MVVM Application using the IDataErrorInfo Interface

Validation & remeber values of selected checkboxes in grid controls using javascript

by ASP.NET Community

This article explains how to make validation on checkboxes and remember the selected checkboxes' values in DataGrid/GridView etc, together. This will

Validation Controls

by ASP.NET Community

ASP.NET Validation Controls are powerful server controls that are used for validating user input. These controls provides both server side and

Validation of Numeric Values On keyPress Event USing Javascript

by ASP.NET Community

It is better to use javascript functions for validating numeric values rather than Validation Controls.We can restrict a textbox to allow only

Validations using C# "DataAnnotation"

by Shivprasad koirala

In this short article, we will discuss how C# DataAnnotation library helps us to do validations.

ValidationSummary

by ASP.NET Community

A ValidationSummary control is displayed when the IsValid property of the page is false. It "polls" each of the validation controls on the page and

VIES - VAT number checker

by Christian Kleinheinz

Using the VIES VAT number validation service provided by the European Commission's Taxation and Customs Union Directorate-General.

Web Page Form Validations with Angular

by Han Bo Sun

Several ways of form field validation using Angular framework