"Fantastic evaluation - I started with a customer’s Excel workbook with a dashboard containing variable cells and a chart. Using SpreadsheetGear, and your “Dashboard from 1693 Analytics” sample as a template, I created my own ASP.NET page to display our client’s dashboard, and update based on the selection of parameters …

“Your interface-based approach is refreshing: the API is natural and the underlying code is blindingly fast for what it does. Changing my Excel abstraction to use SpreadsheetGear brought a 2 month pull from 48 minutes (2880 seconds) to 12.7 seconds. Wow!"