System.ComponentModel.DataAnnotations Namespace

Extends the metadata information for a class by adding attributes and property information that is defined in an associated class.

Specifies that an entity member represents a data relationship, such as a foreign key relationship.

Specifies whether a type is typically used for binding.

Provides an attribute that compares two properties.

Specifies that a property participates in optimistic concurrency checks.

Specifies that a data field value is a credit card number.

Specifies a custom validation method that is used to validate a property or class instance.

Specifies the name of an additional type to associate with a data field.

Provides a general-purpose attribute that lets you specify localizable strings for types and members of entity partial classes.

Specifies the column that is displayed in the referred table as a foreign-key column.

Specifies how data fields are displayed and formatted by ASP.NET Dynamic Data.

Indicates whether a data field is editable.

Validates an email address.

Enables a .NET enumeration to be mapped to a data column.

Validates file name extensions.

Represents an attribute that is used to specify the filtering behavior for a column.

Denotes one or more properties that uniquely identify an entity.

Specifies the maximum length of array or string data allowed in a property.

Specifies the metadata class to associate with a data model class.

Specifies the minimum length of array or string data allowed in a property.

Specifies that a data field value is a well-formed phone number.

Specifies the numeric range constraints for the value of a data field.

Specifies that a data field value in ASP.NET Dynamic Data must match the specified regular expression.

Specifies that a data field value is required.

Specifies whether a class or data column uses scaffolding.

Specifies whether a class or data table uses scaffolding.

Specifies the minimum and maximum length of characters that are allowed in a data field.

Specifies the data type of the column as a row version.

Specifies the template or user control that Dynamic Data uses to display a data field.

Provides URL validation.

Serves as the base class for all validation attributes.

Describes the context in which a validation check is performed.

Represents the exception that occurs during validation of a data field when the ValidationAttribute class is used.

Represents a container for the results of a validation request.

Defines a helper class that can be used to validate objects, properties, and methods when it is included in their associated ValidationAttribute attributes.

Provides a way for an object to be validated.

Represents an enumeration of the data types associated with data fields and parameters.