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我刚开始学习c#,mvc/.net框架,所以原谅我的noob问题。无法迭代dbset
public class ProductDBContext : DbContext
{
public DbSet<Product> Products { get; set; }
public DbSet<ShoppingCart> Shoppingcarts { get; set; }
public DbSet<Subscriber> Subscribers { get; set; }
public int NumberOfSubscribers()
{
return Subscribers.Count();
}
public void SendMailToAllSubscribers()
{
foreach (var subscriber in Subscribers.ToList())
{
var test = 1;
}
}
不允许我到循环的dbset这样:
调用下面的代码SendMailToAllSubscribers方法时,我得到一个“System.Reflection.TargetInvocationException”?