实体框架种子方法从未被调用过

Question

我将此代码放在global.asax文件中：

System.Data.Entity.Database.SetInitializer(new BcoInitializer());
ApplicationDbContext c = new ApplicationDbContext();
c.Database.Initialize(true);
var x = c.ProductCategories.ToList();

这会重新创建我的数据库 但Seed()从未被调用，我找不到原因？

public class BcoInitializer : System.Data.Entity.DropCreateDatabaseAlways<ApplicationDbContext>
    {
        protected override void Seed(ApplicationDbContext context)
        {
            base.Seed(context);

            var currencies = new List<Currency>
            {                
                new Currency{CurrencyId="USD", Symbol="$"}
            };

这是我的背景：

public ApplicationDbContext()
            : base("DefaultConnection")
        {   
            Database.SetInitializer(new CreateDatabaseIfNotExists<ApplicationDbContext>());
        }

Answer 1

为您的上下文类试试这个：

 public ApplicationDbContext()
        : base("DefaultConnection")
    {   
        Database.SetInitializer(new BcoInitializer());
    }