DataAnnotationsModelMetadataProvider Class

Article
02/21/2011

Implements the default model metadata provider for ASP.NET MVC.

Inheritance Hierarchy

System.Object
  System.Web.Mvc.ModelMetadataProvider
    System.Web.Mvc.AssociatedMetadataProvider
      System.Web.Mvc.DataAnnotationsModelMetadataProvider

Namespace: System.Web.Mvc
Assembly: System.Web.Mvc (in System.Web.Mvc.dll)

Syntax

'Declaration
Public Class DataAnnotationsModelMetadataProvider _
    Inherits AssociatedMetadataProvider

public class DataAnnotationsModelMetadataProvider : AssociatedMetadataProvider

public ref class DataAnnotationsModelMetadataProvider : public AssociatedMetadataProvider

The DataAnnotationsModelMetadataProvider type exposes the following members.

Constructors

	Name	Description
	DataAnnotationsModelMetadataProvider	Initializes a new instance of the DataAnnotationsModelMetadataProvider class.

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Methods

	Name	Description
	CreateMetadata	Gets the metadata for the specified property. (Overrides AssociatedMetadataProvider.CreateMetadata(IEnumerable<Attribute>, Type, Func<Object>, Type, String).)
	Equals	Determines whether the specified Object is equal to the current Object. (Inherited from Object.)
	FilterAttributes	Gets a list of attributes. (Inherited from AssociatedMetadataProvider.)
	Finalize	Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.)
	GetHashCode	Serves as a hash function for a particular type. (Inherited from Object.)
	GetMetadataForProperties	Returns a list of properties for the model. (Inherited from AssociatedMetadataProvider.)
	GetMetadataForProperty(Func<Object>, Type, PropertyDescriptor)	Returns the metadata for the specified property using the container type and property descriptor. (Inherited from AssociatedMetadataProvider.)
	GetMetadataForProperty(Func<Object>, Type, String)	Returns the metadata for the specified property using the container type and property name. (Inherited from AssociatedMetadataProvider.)
	GetMetadataForType	Returns the metadata for the specified property using the type of the model. (Inherited from AssociatedMetadataProvider.)
	GetType	Gets the Type of the current instance. (Inherited from Object.)
	GetTypeDescriptor	Returns the type descriptor from the specified type. (Inherited from AssociatedMetadataProvider.)
	MemberwiseClone	Creates a shallow copy of the current Object. (Inherited from Object.)
	ToString	Returns a string that represents the current object. (Inherited from Object.)

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Remarks

The ModelMetadataProviders class sets this class as the default metadata provider for the MVC framework. You typically do not have to use this class directly. If you develop a custom attribute-based metadata provider, you can use this implementation as a guide.

Thread Safety

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

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