asp.net core Mvc 增删改查
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