很好的报表打印预览和设置的源码，VB常用的一些表格控件均可使用-Statements of good print preview and set the source, VB controls commonly used in some form can be used

灵活的数据表格控件源码，可以实现数据增加、修改、删除、查询等功能-Flexible data grid control source, you can achieve data add, modify, delete, query and other functions