摘要：
在EntityFramework 6.1后可以直接使用 [Index("TitleIndex", IsUnique = true)] public string Title { get; set; } 在旧版本中， Unfortunately you can't define it as uniqu 阅读全文
摘要：
Just found out the answer and thought of updating here. Just need to do the following. public class AddressBook: DbContext { protected override void O 阅读全文