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If you main goal is to display excel documents on web, you can try using HTML5 document viewer control from LEADTOOLS. This control allows you to render PDF and office documents files in a webpage.
Check the online demo using this link:
http://demo.leadtools.com/JavaScript/DocumentViewer/index.html
Disclaimer: I work for the company that created this library.
2
Refer this link
http://www.c-sharpcorner.com/uploadfile/eb5fab/show-excel-file-in-aspx-page/
1
https://www.codeproject.com/Questions/248678/How-to-open-Excel-XLS-file-in-Csharp-net
https://forums.asp.net/t/1561075.aspx?open+excel+file+in+browser+
http://stackoverflow.com/questions/7958174/how-to-open-excel-file-in-asp-net-with-c-sharp
https://code.msdn.microsoft.com/ASPNET-Document-Viewer-e7c2a39f
https://www.daniweb.com/programming/web-development/threads/209532/how-to-open-an-excel-file-with-in-the-asp-net-web-page