Generate large XLSX / CSV file in MVC for min 1 Lac records

Question

I would like to generate large XLSX and CSV file in MVC as given on below URL

http://demos.telerik.com/aspnet-mvc/spreadstreamprocessing

I am unable to download Model and Class File above example.

1) using Telerik.Documents.SpreadsheetStreaming;
2) using Kendo.Mvc.Examples.Models.SpreadStreamProcessing;
3) DocumentSettings class

Please help me to resolve this issue.

Thanks in adv.