Introduction - If you have any usage issues, please Google them yourself
1. DBClass class inheritance, class and attribute DBClassAttribute characteristics, DBColumnAttribute characteristics, can automatically create the table structure in the database that is connected (currently only Sql Server, want to support other databases, can be slightly modified); can automatically realize the query, DBClass.Select (), add, update, delete function.
2. inheritance DBForm form class, inheritance IDataGridView, can be easily implemented in the DataGridView control to add, delete, refresh data.