Performance Improvements - Up to 80% faster and using a fraction of the memory. Spread.NET 11 can import, export, and calculate your Microsoft Excel documents faster than ever before.
New Calculation Functions - This new version adds more than 130 new calculation functions, bringing the total number to 462. Support for array formulas (entered using Ctrl+Shift+Enter) enable advanced matrix and array calculations and the new CircularFormula event fires to inform you when the user enters a formula which creates a circular reference.
Workbook Protection Support - Allows you to set a password to protect the workbook structure and prevent the user from deleting or reordering sheets.
Cell Validators and Enhanced Data Validation - Provide powerful new options to enforce user data entry requirements and load/save data validations in Excel documents.
Drag-fill Enhancements - Implement Excel-like copy-fill and series-fill in the user interface, with full support for undo/redo.
Printing Enhancements - Full support for printer settings built into the print preview user interface.
HyperLinkCellType Supports Sort and Filter - Work with sort and filter features.
New API with Document Properties - New API to get and set document properties (Title, Subject, Author, Manager, Company, etc.).
ASP.NET Enhancements
New command bar buttons for PDF and Excel document export, with password options.
ASP.NET controls now support moving rows directly in the user interface using drag-drop from a header cell.
New server command events for Spread ASP.NET are supported for the touch menu interface.
Spread Studio is now called Spread.NET. Maintenance is now included with developer licenses of Spread.NET.