Web-automation.ru

Решение:

Статьи
http://msdn.microsoft.com/en-us/office/ee358824.aspx
http://stackoverflow.com/questions/643643/how-to-create-and-download-excel-document-using-asp-net
http://msdn.microsoft.com/en-us/library/dd452407.aspx
http://archive.msdn.microsoft.com/OOXMLv20CTP/Release/ProjectReleases.aspx?ReleaseId=2080
http://www.microsoft.com/en-us/download/confirmation.aspx?id=5124
http://stackoverflow.com/questions/2624333/how-do-i-read-data-from-a-spreadsheet-using-the-openxml-format-sdk
http://stackoverflow.com/questions/824056/openxml-sdk-spreadsheet-starter-kits