程序1，2，3分别实现了vc++对access,BDE,DSN的访问；程序4串行化对象到数据字段，程序5从ODBC 动态读取数据，程序6 DAO组合框，程序7 ODBC的日期和时间 程序8 9，交互式的SQL工具；程序10在DLL中使用DAO-procedures were achieved vc right access, BDE, DSN visits; 4 Serial procedures objects to the data fields, procedures five dynam

用于对学生信息录入的相关代码，用于使组合框显示系、专业。-Used for student information into the relevant code for the combo box to display the specialty.

ado数据库编程，系统登陆界面模块，组合框-ado database programming, system login interface module, the combo box