After learning the three-tier architecture, I wrote an ASP.NET three-tier architecture guestbook, and the database SQL2000 is.
It’s a very simple message board. Friends who are learning about three-tier architecture can check it out. I haven’t written too many functions. It’s mainly about practicing how to implement three-tier architecture. Since I’m new to three-tier architecture, I don’t know if my understanding is correct or not. If you find something wrong, you are welcome. Please correct me.
Management account: admin
Admin password: admin
Program description: Developed by Visual Studio 2008(.NET2.0)+SQLSERVER2000.
BLL: business layer
Utility: data access layer
DAL: interface layer
Model: data entity layer
Web: presentation layer, web project.
App_Data: All databases
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