I am writing a library management system for church. This is using Spring.Net and NHibnerante. But I faced a problem. After the user updated in a record window, the record in the main window did not get updated. I have read Spring.net Tutorial. That is nothings wrong. Even I forced the session flush. But that did not work. In the session of the record edit window, the fields are updated. When I jumped back to Main Window, the session is updated. Finally, I found the problem in the Transaction attribute. In the DAO, the code should be written like this:

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