MetadataTypeAttribute(Type) 构造函数

定义

初始化 MetadataTypeAttribute 类的新实例。Initializes a new instance of the MetadataTypeAttribute class.

public:
 MetadataTypeAttribute(Type ^ metadataClassType);
public MetadataTypeAttribute (Type metadataClassType);
new System.ComponentModel.DataAnnotations.MetadataTypeAttribute : Type -> System.ComponentModel.DataAnnotations.MetadataTypeAttribute
Public Sub New (metadataClassType As Type)

参数

metadataClassType
Type

要引用的元数据类。The metadata class to reference.

例外

metadataClassTypenullmetadataClassType is null.

示例

下面的示例演示如何使用将 MetadataTypeAttribute 元数据类与实体分部类相关联。The following example shows how to use the MetadataTypeAttribute to associate a metadata class with an entity partial class.

[MetadataType(typeof(CustomerMetaData))]
public partial class Customer
{
}

<MetadataType(GetType(CustomerMetadata))> _
Partial Public Class Customer

End Class

适用于