NHibernate.MappingException: Unknown entity class: QuickStart.Cat

[zbluestar]

异常详细信息: NHibernate.MappingException: Unknown entity class: QuickStart.Cat

源错误:


行 28： princess.Weight = 7.4f;
行 29：
行 30： session.Save(princess);
行 31： tx.Commit();

文件: c:\inetpub\wwwroot\quickstart\webform1.aspx.cs 行: 30


cat.hbm.xml文件:

<?xml version="1.0" encoding="utf-8" ?>
<hibernate-mapping xmlns="urn:nhibernate-mapping-2.2" namespace="QuickStart" assembly="QuickStart">
<class name="Cat" table="Cat">
<!-- A 32 hex character is our surrogate key. It's automatically
generated by NHibernate with the UUID pattern. -->
<id name="Id">
<column name="CatId" sql-type="char(32)" not-null="true"/>
<generator class="uuid.hex" />
</id>
<!-- A cat has to have a name, but it shouldn' be too long. -->
<property name="Name">
<column name="Name" length="16" not-null="true" />
</property>
<property name="Sex" />
<property name="Weight"/>
</class>
</hibernate-mapping>

web.config文件

<configSections>
<section name="hibernate-configuration" type="NHibernate.Cfg.ConfigurationSectionHandler, NHibernate"/>
</configSections>
<!-- Add this element -->
<hibernate-configuration xmlns="urn:nhibernate-configuration-2.2">
<session-factory>
<property name="dialect">NHibernate.Dialect.MsSql2000Dialect</property>
<property name="connection.provider">NHibernate.Connection.DriverConnectionProvider</property>
<property name="connection.connection_string">Server=(local);database=NHibernate;user id=sa;password=sa</property>
<property name="hibernate.connection.driver_class">NHibernate.Driver.SqlClientDriver</property>

<mapping assembly="QuickStart" />
</session-factory>
</hibernate-configuration>

cat类:
public class Cat
{
private string id;
private string name;
private char sex;
private float weight;

public Cat()
{

}

public string Id
{
get { return id; }
set { id = value; }
}

public string Name
{
get { return name; }
set { name = value; }
}

public char Sex
{
get { return sex; }
set { sex = value; }
}

public float Weight
{
get { return weight; }
set { weight = value; }
}
}

请教各位:为什么出现上面如标题所示得问题啊?急.

[canybox]

多贴点代码啊。。。。

[zbluestar]

public sealed class NHibernateHelper
{
private const string CurrentSessionKey = "nhibernate.current_session";
private static readonly ISessionFactory sessionFactory;

static NHibernateHelper()
{
Configuration cfg = new Configuration().Configure();
cfg.AddAssembly("QuickStart");
sessionFactory = cfg.BuildSessionFactory();
}

public static ISession GetCurrentSession()
{
HttpContext context = HttpContext.Current;
ISession currentSession = context.Items[CurrentSessionKey] as ISession;
if (currentSession == null)
{
currentSession = sessionFactory.OpenSession();
context.Items[CurrentSessionKey] = currentSession;
}
return currentSession;
}

public static void CloseSession()
{
HttpContext context = HttpContext.Current;
ISession currentSession = context.Items[CurrentSessionKey] as ISession;
if (currentSession == null)
{
// No current session
return;
}
currentSession.Close();
context.Items.Remove(CurrentSessionKey);
}

public static void CloseSessionFactory()
{
if (sessionFactory != null)
{
sessionFactory.Close();
}
}
}



private void Page_Load(object sender, System.EventArgs e)
{
ISession session = NHibernateHelper.GetCurrentSession();
ITransaction tx = session.BeginTransaction();

Cat princess = new Cat();
princess.Name = "Princess";
princess.Sex = 'F';
princess.Weight = 7.4f;

session.Save(princess);
tx.Commit();

NHibernateHelper.CloseSession();
}

[mingjunr]

<class name="Cat" table="Cat">
我一般都写成<class name="QuickStart.Cat" table="Cat">
别处没看出什么不妥来

[mingjunr]

另外要设为嵌入式资源之类的

[zbluestar]

写成<class name="QuickStart.Cat" table="Cat">这个也试过了。
怎么才能设为嵌入式资源呢？

[mingjunr]

选中xml文件右键属性里有

[liuzhongxf]

问题解决了吗？