CachedDataAnnotationsMetadataAttributes.Required 屬性

定義

命名空間:

System.Web.Mvc

組件:

System.Web.Mvc.dll

套件:

Microsoft.AspNet.Mvc v5.2.6

指出是否需要資料欄位。

public System.ComponentModel.DataAnnotations.RequiredAttribute Required { get; protected set; }

member this.Required : System.ComponentModel.DataAnnotations.RequiredAttribute with get, set

Public Property Required As RequiredAttribute

屬性值

RequiredAttribute

如果欄位為必要，則為 true;否則為 false。