asp.net core Mvc 增删改查

Posted 2022-05-27 mi21

1.创建项目

 

创建Data文件夹

创建实体类Students/cs

  public class Students
    
        public Guid Id  get; set; 
        public string Name  get; set; 
        public int Age  get; set; 
    

 

创建MyDbContext

  public class MyDbContext:DbContext
    
        public MyDbContext(DbContextOptions<MyDbContext> options):base(options)
        

        

        public DbSet<Students> Students  get; set; 
    

 

 

 在appsetting.json配置连接字符串

 

 

  "Logging": 
    "IncludeScopes": false,
    "LogLevel": 
      "Default": "Warning"
    
  ,
  "ConnectionStrings": 
    "DefaultConnection": "server=.;database=Students;uid=sa;pwd=123456;"
  

使用 code first 创建数据库

 

 

输入命名

 Add-Migration init