FarPoint Technologies announces Spread for Web Forms 2.5,  a high-performance, fully-customizable ASP.NET spreadsheet component that supports AJAX calls with client-side calculations, filtering, frozen rows and columns, searching, client-side support for Mozilla Firefox, in-cell editing, read/write Microsoft Excel files, cross-sheet formula referencing, cell spans and merging, complete customization at the cell level, 300+ built-in mathematical functions, and much more. View on-line demos, video tutorials, or download a trial.