报表控件fastreport一些常用方法。数据连接、动态赋值、打印、预览等。-Report control fastreport some common methods. Data connection, dynamic assignment, print, preview and so on.

图片上传保存到数据库，预览下载，打印,包含源码及控件，改变链接数据库即可运行(Picture upload to the database, preview download, print, including source code and controls, change the link database can run)