有很多第三方dll，可以在未安装应用程序的情况下导出到excel.这只是一个； http://www.c-sharpcorner.com/UploadFile/68f22e/export-data-to-excel-convert-excel-to-html-using-free-third/

There are quite a few third party dlls for exporting to excel without the application installed.  Here is just one; http://www.c-sharpcorner.com/UploadFile/68f22e/export-data-to-excel-convert-excel-to-html-using-free-third/