用C#与SQL2005写的一个简单的图书管理系统.主要功能:图书及学生信息的添加修改与删除 图书的借出与归还 图书信息的模糊查询.-SQL2005 with C# and write a simple library management system. The main functions: information, books and students to add modify and delete the lending and return of books the fuzzy q