Validation

How to: Customize Data Field Validation in the Data Model Using Custom Attributes

 

 

ValidationAttribute Class

 

 

The System.ComponentModel.DataAnnotations namespace includes the following validator attributes:

• Range – Enables you to validate whether the value of a property falls between a specified range of values.
• RegularExpression – Enables you to validate whether the value of a property matches a specified regular expression pattern.
• Required – Enables you to mark a property as required.
• StringLength – Enables you to specify a maximum length for a string property.
• Validation – The base class for all validator attributes.

 

 

System.ComponentModel.DataAnnotations Namespace

 

 

 

Creating Custom Validation Attribute in ASP.NET MVC

 

 

Adding Validation to the Model (C#)

 

 

 

Custom Validation Attribute in ASP.NET MVC3

 

 

ASP.NET Core 2.0 MVC Model Validation

Model validation in ASP.NET Core MVC

Handling validation responses for ASP.NET Core Web API

ASP.NET Core 2.0 MVC Model Validation

 

 

jQuery Validate - Enable validation for hidden fields