asp.net core Mvc 增删改查

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

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

        }

        public DbSet<Students> Students { get; set; }
    }

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

 Add-Migration init