c# - 如何使用 CreateObjectSet 将 TEntity 作为参数？

Question

我正在寻找一种将 Entity 和 TEntity 作为参数传递的方法，以便我可以将此方法用作通用方法。类似的东西:

    private void AttachSingleEntity(Entity singleEntity, TEntity Tentity)
    {       
        ObjectSet<Tentity> objectSet = context.CreateObjectSet<Tentity>();
        objectSet.Attach(singleEntity);
    }

然后我调用 AttachSingleEntity 如下:

    customer cus = new customer {id = 1};
    AttachSingleEntity(cus,customer);

Answer 1

更改为

private void AttachSingleEntity<TEntity>(Entity singleEntity) where TEntity:class
{       
    ObjectSet<TEntity> objectSet = context.CreateObjectSet<TEntity>();
    objectSet.Attach(singleEntity);
}