@code { /// /// /// private Foo Model { get; set; } = new Foo(); /// /// 获得 默认数据集合 /// private readonly IEnumerable Items = new SelectedItem[] { new SelectedItem ("Beijing", "北京"), new SelectedItem ("Shanghai", "上海") { Active = true } }; internal class Foo { /// /// /// [DisplayName("城市名称")] public string Name { get; set; } = "Shanghai"; } }