AssociatedMetadataProvider.GetMetadataForProperty 方法
定义
当在派生类中重写时,将返回指定属性的元数据。When overridden in a derived class, returns metadata for a specified property.
重载
| GetMetadataForProperty(Func<Object>, Type, PropertyDescriptor) |
当在派生类中重写时,将为由属性描述符对象指定的属性返回元数据。When overridden in a derived class, returns metadata for a property specified by a property descriptor object. |
| GetMetadataForProperty(Func<Object>, Type, String) |
当在派生类中重写时,将为由属性名称指定的属性返回元数据。When overridden in a derived class, returns metadata for a property specified by a property name. |
GetMetadataForProperty(Func<Object>, Type, PropertyDescriptor)
当在派生类中重写时,将为由属性描述符对象指定的属性返回元数据。When overridden in a derived class, returns metadata for a property specified by a property descriptor object.
protected:
virtual System::Web::ModelBinding::ModelMetadata ^ GetMetadataForProperty(Func<System::Object ^> ^ modelAccessor, Type ^ containerType, System::ComponentModel::PropertyDescriptor ^ propertyDescriptor);
protected virtual System.Web.ModelBinding.ModelMetadata GetMetadataForProperty (Func<object> modelAccessor, Type containerType, System.ComponentModel.PropertyDescriptor propertyDescriptor);
override this.GetMetadataForProperty : Func<obj> * Type * System.ComponentModel.PropertyDescriptor -> System.Web.ModelBinding.ModelMetadata
Protected Overridable Function GetMetadataForProperty (modelAccessor As Func(Of Object), containerType As Type, propertyDescriptor As PropertyDescriptor) As ModelMetadata
参数
- containerType
- Type
容器的类型。The type of the container.
- propertyDescriptor
- PropertyDescriptor
属性描述符。The property descriptor.
返回
指定属性的元数据。Metadata for the specified property.
适用于
GetMetadataForProperty(Func<Object>, Type, String)
当在派生类中重写时,将为由属性名称指定的属性返回元数据。When overridden in a derived class, returns metadata for a property specified by a property name.
public:
override System::Web::ModelBinding::ModelMetadata ^ GetMetadataForProperty(Func<System::Object ^> ^ modelAccessor, Type ^ containerType, System::String ^ propertyName);
public override System.Web.ModelBinding.ModelMetadata GetMetadataForProperty (Func<object> modelAccessor, Type containerType, string propertyName);
override this.GetMetadataForProperty : Func<obj> * Type * string -> System.Web.ModelBinding.ModelMetadata
Public Overrides Function GetMetadataForProperty (modelAccessor As Func(Of Object), containerType As Type, propertyName As String) As ModelMetadata
参数
- containerType
- Type
容器的类型。The type of the container.
- propertyName
- String
属性的名称。The name of the property.
返回
指定属性的元数据。Metadata for the specified property.
例外
containerType 参数为 null。The containerType parameter is null.
- 或 --or-
propertyName 参数为 null 或为空。The propertyName parameter is null or empty.
- 或 --or-
在 propertyName 类型中不能找到由 containerType 指定了名称的属性。A property that has the name specified by propertyName cannot be found in the containerType type.