Hello
I have the followinf error

System.TypeInitializationException: The type initializer for 'NHSample.Helper.NHSessionManager' threw an exception. ---> NHibernate.MappingException: Could not compile the mapping document: NHSample.Mappings.CustomerOne.hbm.xml ---> NHibernate.HibernateException: The dialect was not set. Set the property hibernate.dialect.
at NHibernate.Dialect.Dialect.GetDialect()
at NHibernate.Dialect.Dialect.GetDialect(IDictionary props)
at NHibernate.Cfg.Configuration.AddValidatedDocument(NamedXmlDocument doc)
--- End of inner exception stack trace ---
at NHibernate.Cfg.Configuration.LogAndThrow(MappingException me)
at NHibernate.Cfg.Configuration.AddValidatedDocument(NamedXmlDocument doc)
at NHibernate.Cfg.Configuration.ProcessMappingsQueue()
at NHibernate.Cfg.Configuration.AddDocumentThroughQueue(NamedXmlDocument document)
at NHibernate.Cfg.Configuration.AddXmlReader(XmlTextReader hbmReader, String name)
at NHibernate.Cfg.Configuration.AddInputStream(Stream xmlInputStream, String name)
at NHibernate.Cfg.Configuration.AddResource(String path, Assembly assembly)
at NHibernate.Cfg.Configuration.AddAssembly(Assembly assembly)
...
...

and my hibernate.cfg.xml is

...
...
<session-factory>
<property name="connection.provider">NHibernate.Connection.DriverConnectionProvider</property>
<property name="connection.connection_string">
Server=abc,2431;
Initial Catalog=CPM;
User ID=cpm;
Password=cpm2
</property>
<property name="dialect">NHibernate.Dialect.MsSql2005Dialect</property>
<property name="connection.driver_class">NHibernate.Driver.SqlClientDriver</property>

<mapping assembly="NHSample"/>
...
...

where do I make mistakes ?!?

Thanks in Advance