csharp 片段 - 1207858307.cs

Posted 2021-05-12

static void Init(LazyContext db)
{
    db.Database.ExecuteSqlCommand("delete from Products; delete from Categories"); // delete old data

    var iphone = new Product { Name = "iPhone", Price = 6000000 };
    var lumia = new Product { Name = "lumia", Price = 9000000 };

    db.Products.Add(iphone);
    db.Products.Add(lumia);

    db.SaveChanges(); // save to generate product id

    var phone = new Category { Name = "Phone", Products = new List<Product> { iphone, lumia } };
    db.Categories.Add(phone);

    db.SaveChanges(); // save category
}