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Title / Updated	Author	Score
Multiple Fields Validator - An ASP.NET Validation Control Updated: 7 Apr 2006   Discussing the MultipleFieldsValidator that validates a group of fields in which at least one is required, like phone number, mobile phone number, or email. It inherits the BaseValidator and uses some new cool ASP.NET 2.0 features. .NET 2.0, VS2005, C#, ASP.NET, Javascript, Windows, HTML, Dev, Intermediate	Adam Tibi	4.88
ASP.NET Validators Unclouded Updated: 30 Mar 2003   Demistifying the mysterious ASP.NET validator controls, allowing fast and painless validation of Web Forms. .NET 1.0, Win2K, WinXP, C#, ASP.NET, Visual Studio, Dev, Beginner	Paul Riley	4.74
ZatakTextBox Updated: 15 Dec 2006   This textbox contains everything for validation. You can set validation options by a click of the mouse and just a few keystrokes. C#, ASP.NET, Windows, .NET, Visual Studio, Dev, Intermediate	Manish Pansiniya	4.73
An Object Level Validation Framework Updated: 10 Nov 2006   Provides a basic/advanced object level framework for validation. C#, ASP.NET, Windows, .NET, Visual Studio, Dev, Intermediate	Craig G. Wilson	4.71
Credit Card Validator control for ASP.NET Updated: 30 Aug 2002   Article outlining how to create a credit card validator control fully derived from BaseValidator. .NET 1.0, VS.NET2002, C#, ASP.NET, Windows, Dev, Intermediate	Paul Ingles	4.65
Single Control Validation Solution Updated: 17 Sep 2002   A single control to validate a .NET Web Form. .NET 1.0, Win2K, WinXP, VB, ASP.NET, Visual Studio, Dev, Intermediate	Jamie Nordmeyer	4.60
Client/Server-side ASP.NET Credit Card Validation Control Updated: 28 Feb 2004   Article discussing new version of ASP.NET Credit Card Validator, including both server and client-side checks and VS.NET designer support. VC7.1, .NET 1.1, Win2K, WinXP, Win2003, VS.NET2003, C#, ASP.NET, Dev, Intermediate	Paul Ingles	4.53
Adding ASP.NET validation at runtime Updated: 4 Mar 2005   An article describing how to add errors to the validation summary at runtime C#, ASP.NET, Windows, .NET, Visual Studio, Dev, Intermediate	Peter Morris	4.50
Enhancing the presentation of standard validator outputs Updated: 13 Jul 2006   How flexible is the normal functionality of ASP.NET validators? In this article, I am going to show how to customize the appearance of the attached control of a validator during an error situation on the server or the client side, or even call a custom client function without postback. .NET 2.0, VS2005, C#, ASP.NET, Javascript, XML, Windows, HTML, Dev, Intermediate	Alexander Kleshchevnikov	4.47
Self Validating Text Box - 2 Updated: 9 Feb 2004   This article extends self validating Text Box control to other data types and Min and Max value checking. VC7, VC7.1, Win2K, WinXP, Win2003, ASP.NET, .NET, Visual Studio, Dev, Intermediate	vikramk	4.46
ASP.NET Required TextBox (Graphical RequiredFieldValidator) Updated: 21 Sep 2006   An ASP.NET custom TextBox control with a built-in RequiredFieldValidator, providing a similar look and feel to the Windows Forms ErrorProvider. VS2005, C# 2.0, ASP.NET, Windows, .NET, Dev, Intermediate	g00fyman	4.46
CustomValidator dependent on multiple controls. Updated: 1 Apr 2005   Example of how to require that the user enters at least one of multiple textboxes. VB, ASP.NET, VBScript, Javascript, Windows, .NET, Visual Studio, Dev, Intermediate	DanielHac	4.42
List Validator Updated: 24 Jul 2007   Validates a ListControl to ensure at least one RadioButton or CheckBox is checked. .NET 1.0, .NET 1.1, C#, ASP.NET, Windows, Visual Studio, Dev, Intermediate	Murray Roke	4.40
A Managed C++ Email Validator Control for ASP.NET Updated: 3 Jan 2003   An ASP.NET Validator Control implemented in Managed C++ that can be used to verify email addresses by connecting to SMTP servers listed as Mail eXchangers for a domain, includes example of Win32 API Interoperability with C++ .NET. The validation is not RegEx based. VC7, .NET 1.0, Win2K, WinXP, VS.NET2002, C++/CLI, ASP.NET, Dev, Intermediate	Paul Ingles	4.36
Smart Validation Summary Updated: 17 Jan 2005   An article demonstrating creation of a custom ASP.NET validation summary control with highlighting of invalid form fields intelligently. C#, ASP.NET, Windows, .NET, Visual Studio, Dev, Intermediate	Mr. Tommy Li	4.21
Custom Validation Scripts - Extending the client side script functionality Updated: 24 Jan 2005   Override the default implementention of client side validation of ASP.NET and modify the default functionality by adding focus to error fields and individual alerts for each invalid field .NET 1.1, VS.NET2003, C#, VB, ASP.NET, Javascript, Windows, Dev, Intermediate	Mauricio Ritter	4.21
Building an ASP.NET custom web control: a textbox and validator in one Updated: 12 Aug 2002   In this article we will have a look at implementing a custom web control. This web control will inherit from the TextBox web control, and will automatically add a required field validator at run-time. .NET 1.0, ASP.NET, Windows, Visual Studio, Dev, Intermediate	Wim Hollebrandse	4.11
Implementing an ASP.NET Validator - UriValidator Updated: 22 Jan 2004   An article describing how to implement a custom ASP.NET validator. .NET 1.0, .NET 1.1, Win2K, WinXP, Win2003, C#, ASP.NET, Visual Studio, Dev, Beginner	Matt Berther	3.96
A Better ValidationSummary Control for Data Driven Applications Updated: 10 Jun 2002   The ValidationSummary Control can be easily subclassed to make data driven web applications more code-friendly. .NET 1.0, C#, ASP.NET, Windows, Visual Studio, Dev, Intermediate	Scott Juranek	3.81
CustomValidator with XMLHttpRequest object Updated: 8 Feb 2004   CustomValidator which uses XMLHTTpRequest to make validation. .NET 1.1, VS.NET2003, C#, ASP.NET, Javascript, Windows, Dev, Intermediate	Anatoly Rapoport	3.71
SSN Validation Web Service Updated: 6 Feb 2005   This article describes the implementation of an ASP.NET Web Service which can be used for SSN format validation. .NET 1.1, Win2K, WinXP, Win2003, IIS 6, VB, ASP.NET, XML, Visual Studio, Dev, Intermediate	tupacs01	3.53
Custom Validation Summary in ASP.NET Updated: 22 Oct 2004   Replace the ugly ValidationSummary control text with your own, customizable popup summary window. .NET 1.0, .NET 1.1, .NET 2.0, IE 6.0, IE 5.5, C#, ASP.NET, Javascript, Windows, IIS, Visual Studio, Dev, Intermediate	jeffshantz	3.18
Combine RegularExpression Validation Control with RequiredField Validation Control Updated: 11 Oct 2004   RequiredField and Regular Expression validation together... you can use this control in place of group required field and regular expression validation controls. .NET 1.0, .NET 1.1, Win2K, WinXP, VS.NET2002, VS.NET2003, C#, ASP.NET, Javascript, Dev, Intermediate	Gaurang Desai	3.12
Group Validation Buttons Updated: 24 Nov 2005   This article will teach you how to create your own ASP.NET buttons and image buttons that enable only a set of validators that are attached to these controls on your ASP.NET page. VB, ASP.NET, Windows, .NET, Visual Studio, Dev, Intermediate	Tamer Safwat Aziz	3.10
ListControl SelectedItem Validator Updated: 23 Mar 2002   RequiredField Validator for ASP.NET ListControl derived webserver controls .NET 1.0, C#, ASP.NET, Windows, Visual Studio, Dev, Intermediate	Cenk Civici	3.09
Effective Email Address Validation Updated: 20 Dec 2003   In this article, we would discuss a very brief and overall technique to verify the email addresses of the users that signup for a web account. Win2K, WinXP, Win2003, C#, VB, ASP, ASP.NET, .NET, Visual Studio, Dev, Intermediate	Vasudevan Deepak Kumar	2.99
Transferring Control Focus through Custom Validation File, in ASP.NET Updated: 12 May 2005   Validation controls will not set the focus to the appropriate control when the validation fails. This can be achieved using a custom validation file. ASP.NET, Javascript, XML, Windows, .NET, Visual Studio, Dev, Intermediate	bkalicharan	2.73
Cross-Validate Checkboxes in .NET Updated: 28 Nov 2007   Use both client-side and server-side validation across multiple checkboxes .NET 1.1, .NET 2.0, C#, ASP.NET, Javascript, Windows, Visual Studio, Dev, Intermediate	Jan Huffman	2.50
Validator Controls in ASP.NET Updated: 10 Aug 2004   Validator controls in ASP.NET. .NET 1.1, Win2K, IIS 6, VS.NET2003, IE 6.0, C#, ASP.NET, Dev, Intermediate	vivekthangaswamy	2.39
Smartly Display ASP.NET Validation Information Updated: 12 Oct 2004   Enhance ASP.NET client-side JavaScript. ASP.NET, Javascript, Windows, .NET, Visual Studio, Dev, Intermediate	billxie	2.13
Dangers of using OnChange/ViewState for validation. Updated: 11 May 2004   This article demonstrates serious bugs and security vulnerabilities that can be easily introduced by using the ASP.NET OnChange event for validation. .NET 1.0, .NET 1.1, Win2K, WinXP, Win2003, C#, VB, ASP.NET, Visual Studio, Dev, Intermediate	Anthony Berglas	2.05
ValidationScriptGenerator Updated: 15 Mar 2005   This article gives you a solution for generating a client side validation script in a component model that you can reuse in an ASP.NET project. C#, ASP.NET, Windows, .NET, Visual Studio, Dev, Intermediate	E KuralMani	1.94
C# Controls - Validation Controls			top
Title / Updated	Author	Score
Validate user input in Windows Forms Updated: 26 Apr 2006   You needn't write any code for control validation; just set a control's validation information at design-time and reduce maintenance workload. .NET 2.0, WinXP, VS2005, C#, Dev, Intermediate	Jim Cai	4.79
RequiredIfValidator - Extending from the BaseValidator class Updated: 12 Jan 2005   Have you ever had a field that was required, but only if another field was a certain value? Then, this validator is for you! .NET 1.1, Win2K, WinXP, Win2003, VS.NET2003, C#, ASP.NET, Javascript, Dev, Intermediate	Datac0re	4.77
Using Custom Validator to Validate Checkbox Updated: 30 Oct 2007   Performing validation of checkbox using custom validator VS2005, C# 2.0, Windows, .NET, Dev, Intermediate	Balamurugan R A	4.50
ErrorProvider as a 'Warning Provider' Updated: 21 Jun 2005   Use the ErrorProvider to display friendly 'Value Required' warnings. C#, Windows, .NET, Visual Studio, DBA, Dev, ADO.NET, Intermediate	Paul Brower	4.41
Validators for Windows Forms - ValidationProvider Control Updated: 16 Apr 2005   Code-free validation for TextBox, ComboBox, and more... .NET 1.1, VS.NET2003, C#, VB, Windows, Architect, DBA, Dev, QA, Intermediate	Noogen	4.34
Client side validation running server side code - Unedited Updated: 29 Jun 2008   The article explains how to easily run server-side validation methods on the client-side C# 2.0, C# 3.0, C#, ASP.NET, Intermediate	Artiom Chilaru	4.19
Fire CustomValidator or RegularExpressionValidator ClientValidationFunction always! Updated: 22 Mar 2005   Override the WebUIValidation.js function to fire the custom or regular expression validator even when the field is empty. IE 6.0, IE 5.5, C#, Javascript, Windows, .NET, Visual Studio, Dev, Intermediate	Rooc	4.00
Validating TextBox interfaces Updated: 24 Jul 2005   A TextBox class with an extensible validator interface. .NET 1.1, VS.NET2003, C#, Windows, Dev, Intermediate	franksbootdisk	3.50
Custom Control For Common RequiredField Validator Updated: 4 Oct 2004   Common validation conrol for more than one Required Field on the page. The simple and most eligant way to validate required fields. .NET 1.1, Win2K, WinXP, Win2003, VS.NET2003, eVC 4.0, C#, Win Mobile, Mobile, Dev, Intermediate	Gaurang Desai	3.13
Phone TextBox Control with built-in Phone Validator - ASP.NET Custom Control - Unedited Updated: 28 Apr 2008   Discussing the creation of custom Phone TextBox and its built-in PhoneValidator that validates a group of textboxes which represents three sections of a phone number. It inherits the BaseValidator and uses some new cool ASP.NET AJAX 3.5 features. .NET 2.0, C# 2.0, .NET 3.0, C# 3.0, .NET 3.5, C#, ASP.NET, .NET, Dev, Design, Intermediate, Advanced	Enoch Tsai	2.80
Dynamic Control Validation at Runtime using a Container Control Updated: 25 Mar 2005   Dynamic control validation (TextBox, ComboBox) at runtime using a container control. .NET 1.0, .NET 1.1, .NET 2.0, NT4, Win2K, WinXP, Win2003, VS.NET2003, C#, Dev, Intermediate	Chayan	1.50