在下面的文章中，有9个解决方案可以将数据导出到Excel，相信第一个解决方案可能会有所帮助你很多。

9将数据导出到Excel for ASP.NET的解决方案 [ ^ ]

In below article, there are 9 solutions to export data to Excel, I believe the first solution may help you much.
9 Solutions to Export Data to Excel for ASP.NET[^]