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我是NHibernate的新手。刚开始学习NHibernate。NHibernate.PropertyAccessException未处理
我收到了运行时错误与我的C#代码
NHibernate.PropertyAccessException了未处理
Message=Invalid Cast (check your mapping for property type mismatches); setter of NHibernateDemo.Customer
InnerException: System.InvalidCastException
Message=Unable to cast object of type 'NHibernate.Collection.Generic.PersistentGenericSet`1[NHibernateDemo.Order]' to type 'System.Collections.Generic.ISet`1[NHibernateDemo.Order]'.
以下为
public class Customer {
public Customer()
{
MemberSince = DateTime.UtcNow;
Orders = new HashSet<Order>();
}
public virtual Guid Id { get; set; }
public virtual string FirstName { get; set; }
public virtual string LastName { get; set; }
public virtual Location Address { get; set; }
public virtual ISet<Order> Orders { get; set; }
}
写我的C#代码这是HBM文件如下
<class name="Customer" table="Customer" lazy="true" >
<id name="Id">
<generator class="guid.comb" />
</id>
<property name="FirstName" />
<property name="LastName" />
<component name="Address" >
<property name="Street" />
<property name="City" />
<property name="State" />
<property name="Country" />
</component>
<set name="Orders" table="`Order`" order-by="Ordered desc">
<key column="CustomerId" />
<one-to-many class="Order" />
</set>
</class>
public class Order {
public virtual Guid Id { get; set; }
public virtual DateTime Ordered { get; set; }
public virtual DateTime Shipped { get; set; }
public virtual Location ShipAddress { get; set; }
public virtual Customer Customer { get; set; }
}
<class name="Order" table="`Order`">
<id name="Id">
<generator class="guid.comb" />
</id>
<property name="Ordered" />
<property name="Shipped" />
<component name="ShipAddress" >
<property name="Street" />
<property name="City" />
<property name="State" />
<property name="Country" />
</component>
<many-to-one name="Customer" column="CustomerId" />
</class>
如果我改变“设置”,在客户HBM文件部分“清单”,并做客户类必要的修改。程序正常运行。另外,如果我从客户HBM文件中删除“设置”部分;这是工作。
你能帮我找到客户HBM文件的“设置”部分有什么问题吗?
感谢Iesi.Collections.Generic.ISet为我工作与未装载“设置“ –
user1833852