这是一款VB.NET版的程序，数据库原形为ACCESS。功能演示添加、删除、修改任务，用户权限指派，一个比较详细的数据库演示示例程序。运行于VS2005环境。-This is a VB.NET version of the program, database prototype for ACCESS. Functional demonstration of add, delete, modify tasks, assign user rights, a more detailed present