Nhibernate id 问题

jsh1313 2009-04-23 11:37:30

identifier of an instance of SampleWorkFlow.Workflow altered from f6277ff3-255e-45a0-bc3b-1f26633c2b25 (System.Guid) to 08cb6b31-255e-45a0-bc3b-1f26633c2b25 (System.Guid)
我的程序加载对象时报这个错，用了spring.net和Nhibernate 1.2,不知道是什么原因
按javaeye上的说法，是spring在处理nhibernate的session时挂了，但我检查到是
NHibernate.Impl.SessionImpl.AddEntry()方法时出了问题，object的key和value里的key不对应了。

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蓝海D鱼 2009-04-23

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jsh1313 2009-04-23

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问题已解决，我用的是vs2008，有两个字段用了 DataTime? 来声明，所以是maco_wang 说的问题。

阿非 2009-04-23

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有主键么？设置自增了么？

叶子 2009-04-23

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http://dnbcw.com/biancheng/html/java/dnmi41374.html

Nhibernate_一步一步

NHibernate 之旅(1)：开篇有益.............................................................................................5 NHibernate 开篇有益 ................................................................................................5 NHibernate 是什么 ....................................................................................................5 NHibernate 的架构 ....................................................................................................6 NHibernate 资源 ........................................................................................................7 欢迎加入 NHibernate 中文社区 ...............................................................................7 NHibernate 之旅(2)：第一个 NHibernate 程序..............................................................8 开始使用 NHibernate ................................................................................................8 1.获取 NHibernate ....................................................................................................9 2.建立数据库表 ..............................................................................................................9 3.创建 C#类库项目 .....................................................................................................10 4.编写 DomainModel 层 ........................................................................................11 5.编写数据访问层 ........................................................................................................13 6.编写数据访问层的测试 ............................................................................................15 结语.................................................................................................................................17 NHibernate 之旅(3)：探索查询之 NHibernate 查询语言(HQL)..............................17 NHibernate 中的查询方法 ......................................................................................18 NHibernate 查询语言(HQL).................................................................................18 实例分析.........................................................................................................................22 结语.................................................................................................................................23 NHibernate 之旅(4)：探索查询之条件查询(Criteria Query) ...................................24 NHibernate 中的查询方法 ......................................................................................24 条件查询(Criteria Query).....................................................................................24 根据示例查询(Query By Example) ...................................................................26 实例分析.........................................................................................................................27 结语.................................................................................................................................28 NHibernate 之旅(5)：探索 Insert, Update, Delete 操作 .......................................28 操作数据概述.................................................................................................................28 1.新建对象 ....................................................................................................................29 2.删除对象 ....................................................................................................................29 3.更新对象 ....................................................................................................................30 4.保存更新对象 ............................................................................................................31 结语.................................................................................................................................32 NHibernate 之旅(6)：探索 NHibernate 中的事务........................................................32 事务概述.........................................................................................................................33 1.新建对象 ....................................................................................................................34 2.删除对象 ....................................................................................................................37 3.更新对象 ....................................................................................................................37 4.保存更新对象 ............................................................................................................38 结语.................................................................................................................................39 NHibernate 之旅(7)：初探 NHibernate 中的并发控制................................................39 什么是并发控制？.........................................................................................................39 悲观并发控制(Pessimistic Concurrency) ......................................................40 乐观并发控制(Optimistic Concurrency) ........................................................40 NHibernate 支持乐观并发控制 ..............................................................................40 实例分析.........................................................................................................................41 结语.................................................................................................................................44 NHibernate 之旅(8)：巧用组件之依赖对象.......................................................................44 引入.................................................................................................................................45 方案 1：直接添加.........................................................................................................45 方案 2：巧用组件.........................................................................................................45 实例分析.........................................................................................................................46 结语.................................................................................................................................50 NHibernate 之旅(9)：探索父子关系(一对多关系)...........................................................50 引入.................................................................................................................................50 NHibernate 中的集合类型 ......................................................................................51 建立父子关系.................................................................................................................51 父子关联映射.................................................................................................................53 结语.................................................................................................................................57 NHibernate 之旅(10)：探索父子(一对多)关联查询........................................................57 关联查询引入.................................................................................................................58 一对多关联查询.............................................................................................................58 结语.................................................................................................................................62 NHibernate 之旅(11)：探索多对多关系及其关联查询 ....................................................62 多对多关系引入.............................................................................................................63 多对多映射关系.............................................................................................................64 多对多关联查询.............................................................................................................66 结语.................................................................................................................................69 NHibernate 之旅(12)：初探延迟加载机制 ........................................................................70 引入.................................................................................................................................70 延迟加载(Lazy Loading) .......................................................................................71 实例分析.........................................................................................................................72 1.一对多关系实例 ........................................................................................................72 2.多对多关系实例 ........................................................................................................74 结语.................................................................................................................................78 NHibernate 之旅(13)：初探立即加载机制 ........................................................................78 引入.................................................................................................................................78 立即加载.........................................................................................................................79 实例分析.........................................................................................................................79 1.一对多关系实例 ........................................................................................................79 2.多对多关系实例 ........................................................................................................82 结语.................................................................................................................................86 NHibernate 之旅(14)：探索 NHibernate 中使用视图.................................................86 引入.................................................................................................................................87 1.持久化类 ....................................................................................................................87 2.映射文件 ....................................................................................................................88 3.测试 ............................................................................................................................89 结语.................................................................................................................................90 NHibernate 之旅(15)：探索 NHibernate 中使用存储过程(上) ................................90 引入.................................................................................................................................90 使用 MyGeneration 生成存储过程........................................................................90 实例分析.........................................................................................................................94 结语.................................................................................................................................97 NHibernate 之旅(16)：探索 NHibernate 中使用存储过程(中) ................................97 引入.................................................................................................................................97 实例分析.........................................................................................................................97 结语...............................................................................................................................102 NHibernate 之旅(17)：探索 NHibernate 中使用存储过程(下) ..............................102 引入...............................................................................................................................103 实例分析.......................................................................................................................103 拾遗...............................................................................................................................107 结语...............................................................................................................................108 NHibernate 之旅(18)：初探代码生成工具使用 ..............................................................108 引入...............................................................................................................................108 代码生成工具...............................................................................................................109 结语...............................................................................................................................117 NHibernate 之旅(19)：初探 SchemaExport 工具使用............................................117 引入...............................................................................................................................118 SchemaExport 工具 .............................................................................................118 SchemaUpdate 工具 ............................................................................................119 实例分析.......................................................................................................................119 结语...............................................................................................................................124 NHibernate 之旅(20)：再探 SchemaExport 工具使用............................................124 引入...............................................................................................................................125 实例分析.......................................................................................................................125 1.表及其约束 ..............................................................................................................125 2.存储过程、视图 ......................................................................................................130 结语...............................................................................................................................132 NHibernate 之旅(21)：探索对象状态 ..............................................................................132 引入...............................................................................................................................132 对象状态.......................................................................................................................133 对象状态转换...............................................................................................................133 结语...............................................................................................................................137 NHibernate 之旅(22)：探索 NHibernate 一级缓存...................................................137 引入...............................................................................................................................137 NHibernate 一级缓存介绍 ....................................................................................137 NHibernate 一级缓存管理 ....................................................................................141 结语...............................................................................................................................142 NHibernate 之旅(23)：探索 NHibernate 二级缓存(上) ..........................................142 引入...............................................................................................................................143 介绍 NHibernate 二级缓存 ...................................................................................143 NHibernate 二级缓存提供程序 ............................................................................143 实现 NHibernate 二级缓存 ...................................................................................144 结语...............................................................................................................................149 NHibernate 之旅(24)：探索 NHibernate 二级缓存(下) ..........................................149 引入...............................................................................................................................149 使用 NHibernate 二级缓存 ...................................................................................150 启用缓存查询...............................................................................................................151 管理 NHibernate 二级缓存 ...................................................................................154 结语...............................................................................................................................158

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