本文介绍了如何首先在实体框架代码中设置身份主键的起始值?的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
在我的项目中,我首先使用实体框架代码创建 Appointments
表.当我将整数主键 AppointmentNo
设置为 [Key]
和 [Required]
时,它会创建初始主键以 1 开头的表.
In my project I am creating the Appointments
table using Entity Framework code first. When I set my integer primary key, AppointmentNo
as [Key]
and [Required]
, it creates the table with initial primary key starting with 1.
我希望约会号码从 1000 开始.我的数据库是 SQL Server.请帮我.先感谢您.
I want the appointment numbers to start at 1000. My database is SQL Server. Please help me. Thank you in advance.
[DataContract]
public class Appointment
{
[DataMember]
[Key]
[Required]
public int AppointmentNo { get; set; }
[DataMember]
[Required]
public string DoctorUN { get; set; }
[DataMember]
[Required]
public string PatientUN { get; set; }
}
推荐答案
不能使用ef注解,但是可以在迁移UP方法中执行sql
It's not possible using ef annotations,but you can execute sql in migration UP method
Sql("DBCC CHECKIDENT ('Appointment', RESEED, 1000)");
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