下面是配置文件:
<?xml version="1.0" encoding="utf-8" ?>
<objects xmlns="http://www.springframework.net"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="http://www.springframework.net http://www.springframework.net/xsd/spring-objects.xsd">
  
  <object id="transactionManager" type="Spring.Data.NHibernate.HibernateTransactionManager, Spring.Data.NHibernate21">
    <property name="DbProvider" ref="DbProvider"/>
    <property name="SessionFactory" ref="NHibernateSessionFactory"/>
  </object>  <object id="transactionInterceptor" type="Spring.Transaction.Interceptor.TransactionInterceptor, Spring.Data">
    <property name="TransactionManager" ref="transactionManager"/>
    <property name="TransactionAttributeSource">
      <object type="Spring.Transaction.Interceptor.AttributesTransactionAttributeSource, Spring.Data"/>
    </property>
  </object>  <object id="BaseTransactionManager"  type="Spring.Transaction.Interceptor.TransactionProxyFactoryObject, Spring.Data" abstract="true">
    <property name="PlatformTransactionManager" ref="transactionManager"/>
    <property name="TransactionAttributes">
      <name-values>
        <add key="Save*" value="PROPAGATION_REQUIRED"/>
        <add key="Set*" value="PROPAGATION_REQUIRED"/>
        <add key="Finish*" value="PROPAGATION_REQUIRED"/>
        <add key="Update*" value="PROPAGATION_REQUIRED"/>
        <add key="Delete*" value="PROPAGATION_REQUIRED"/>
        <add key="Add*" value="PROPAGATION_REQUIRED"/>
        <add key="Get*" value="PROPAGATION_SUPPORTS,readOnly"/>
        <add key="Find*" value="PROPAGATION_SUPPORTS,readOnly"/>
        <add key="Load*" value="PROPAGATION_SUPPORTS,readOnly"/>
        <add key="*" value="PROPAGATION_REQUIRED"/>
      </name-values>
    </property>
  </object>  <object id="CompanyManager" type="NHibernateTest.SpringNetIntegration.BLL.CompanyManager,NHibernateTest">
    <!--<property name="Test" value="1" />-->
    <property name="Dao" ref="repository.company" />
  </object>  <object id="UserManager" type="NHibernateTest.SpringNetIntegration.BLL.UserManager,NHibernateTest">
    <property name="Dao" ref="repository.user" />
  </object>
  
  <object id="CompanyTransactionManager" parent="BaseTransactionManager">
    <property name="Target" ref="CompanyManager" />
  </object>  <object id="UserTransactionManager" parent="BaseTransactionManager">
    <property name="Target">
      <object type="NHibernateTest.SpringNetIntegration.BLL.UserManager,NHibernateTest">
        <property name="Dao" ref="repository.user"/>
      </object>
    </property>
  </object></objects>在测试中获取CompanyManager对象时,CompanyManager的Dao属性可以被注入,可是在CompanyTransactionManager时Dao却为空。[Test]
public void SaveCompanyTest()
{
    //Console.Out.WriteLine(companyManager.Test);
    IApplicationContext applicationContext = ContextRegistry.GetContext();
    CompanyManager companyManager1 = (CompanyManager)applicationContext.GetObject("CompanyManager");
    CompanyManager companyManager2 = (CompanyManager)applicationContext.GetObject("CompanyManager");    Assert.IsNotNull(companyManager1.Dao); //成功
    Assert.IsNotNull(companyManager2.Dao); //失败    Company company = new Company() { CompanyName = "IBM" };
    companyManager.Save(company);
}请高手帮我看一下,谢谢。