C#winform中Excel电子表格导入数据库示例

http://www.cnblogs.com/hijack/archive/2010/03/25/1695391.html

http://www.cnblogs.com/yuteng/articles/1751527.html

http://www.cnblogs.com/zhangqifeng/archive/2009/06/10/1500537.html

有需要的好好看看这三个帖子