System.ComponentModel.DataAnnotations Namespace ()

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This page is specific to

Microsoft Visual Studio 2008/.NET Framework 3.5

Other versions are also available for the following:

.NET Framework Class Library

System.ComponentModel.DataAnnotations Namespace

Updated: July 2008

The System.ComponentModel.DataAnnotations namespace provides attribute classes that are used to define metadata for ASP.NET Dynamic Data controls.

Classes

	Class	Description
	AssociatedMetadataTypeTypeDescriptionProvider	Extends the metadata information for a class by adding attributes and property information that is defined in an associated class.
	DataTypeAttribute	Specifies the name of an additional type to associate with a data field.
	DisplayColumnAttribute	Specifies the column that is displayed in the referred table as a foreign-key column.
	DisplayFormatAttribute	Specifies how data fields are displayed and formatted by ASP.NET Dynamic Data.
	MetadataTypeAttribute	Specifies the metadata class to associate with a data model class.
	RangeAttribute	Specifies the numeric range constraints for the value of a data field in Dynamic Data.
	RegularExpressionAttribute	Specifies that a data field value in ASP.NET Dynamic Data must match the specified regular expression.
	RequiredAttribute	Specifies that a data field value is required.
	ScaffoldColumnAttribute	Specifies whether a column is exposed by the scaffolding mechanism.
	ScaffoldTableAttribute	Specifies whether a class or data table uses scaffolding.
	StringLengthAttribute	Specifies the maximum length of characters that are allowed in a data field.
	UIHintAttribute	Specifies the template or user-defined control Dynamic Data uses to display a data field.
	ValidationAttribute	Base class for all validation attributes.
	ValidationException	Represents the exception that occurs during validation of a data field when the ValidationAttribute class is used.

Enumerations

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

Change History

Date	History	Reason
July 2008	Added topic for new namespace.	SP1 feature change.

Date

History

Reason

July 2008

Added topic for new namespace.

SP1 feature change.