MembershipProvider.RequiresUniqueEmail 属性
定义
获取一个值,指示成员资格提供程序是否配置为要求每个用户名具有唯一的电子邮件地址。Gets a value indicating whether the membership provider is configured to require a unique email address for each user name.
public:
abstract property bool RequiresUniqueEmail { bool get(); };
public abstract bool RequiresUniqueEmail { get; }
member this.RequiresUniqueEmail : bool
Public MustOverride ReadOnly Property RequiresUniqueEmail As Boolean
属性值
true 如果成员资格提供程序要求唯一的电子邮件地址,则为;否则为 false 。true if the membership provider requires a unique email address; otherwise, false. 默认值为 true。The default is true.
示例
有关实现的示例 MembershipProvider ,请参阅 实现配置文件提供程序。For an example of a MembershipProvider implementation, see Implementing a Profile Provider.
注解
RequiresUniqueEmail属性指示用户在创建用户时是否必须提供唯一的电子邮件地址值。The RequiresUniqueEmail property indicates whether users must supply a unique email address value when creating a user. 如果用户已存在于当前的数据源中,则 ApplicationName 该方法将 CreateUser 返回 null ,状态值为 DuplicateEmail 。If a user already exists in the data source for the current ApplicationName, then the CreateUser method returns null and a status value of DuplicateEmail.