?xml version="1.0" encoding="utf-8" ?> 
  <hibernate-configuration xmlns="urn:nhibernate-configuration-2.2">
      <session-factory>
        <property name="connection.provider">
          NHibernate.Connection.DriverConnectionProvider
        </property>
        <property name="dialect">NHibernate.Dialect.MsSql2005Dialect</property>
        <property name="connection.driver_class">NHibernate.Driver.SqlClientDriver</property>
        <property name="connection.provider">NHibernate.Connection.DriverConnectionProvider</property>
        <property name="connection.connection_string">Data Source=.\SQLEXPRESS;AttachDbFilename=D:\Test\Test_Task\Test_Task\App_Data\Test_task.mdf;Integrated Security=True;User Instance=True</property>
        <property name="proxyfactory.factory_class">NHibernate.ByteCode.LinFu.ProxyFactoryFactory, NHibernate.ByteCode.LinFu</property>
        <property name="current_session_context_class">web</property>
      </session-factory>
  </hibernate-configuration>

    public class NHibernateSessionModule : IHttpModule
    {
        public void Dispose()
        {
        }

        public void Init(HttpApplication context)
        {
            context.BeginRequest += delegate
            {
                var session = Global.SessionFactory.OpenSession();
                CurrentSessionContext.Bind(session); // Вот здесь возникает ошиба
            };
            context.EndRequest += delegate
            {
                CurrentSessionContext.Unbind(Global.SessionFactory);
            };

        }
    }