Library management system source code (three-tier architecture) v1.0

Library management system source code introduction:
1. Source code description This is a student-original library management system source code. It adopts three-layer architecture technology and basically realizes the functions of a library management system. It can be used as a novice exercise or course design. Friends who are interested can download it quickly. .

2. Function introduction
1. System settings: reader category settings, book category settings, publisher category settings.
2. Data management: book information management, reader information management.
3. Excel data export: Book information Excel export, reader information Excel export, publisher Excel information export.
4. Report printing: Book information report printing (may not be compatible).
5. Book borrowing and returning management: non-reservation borrowing, reservation borrowing, and reader return.
6. Data query: book information query, reader information query, publisher information query.

3. Precautions
1. The administrator username is 51 and the password is 51aspx; the student login name is 1 and the password is student; the teacher login name is 2 and the password is teacher.
2. The development environment is Visual Studio 2010, the database is SQL Server 2005, the database file is in the DB_51aspx folder, and is developed using .net2.0.
3. The database connection string is modified in the SqlServerDbHelper.cs file.
4. The report printing function of this source code may be incompatible.
5. The source code role permission control is a bit confusing, and interested friends can further improve it.
6. This source code is only for learning and communication.