VB使用ADO+DataGrid 操作数据库的示例程序，这些操作几乎包括了的有的数据库常用操作，像简单的的添加、更新、删除、检索数据等(VB uses ADO + DataGrid to operate the sample program of database. These operations almost include some common database operations, such as simple add, update, delete, retrieve data,