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NET offers support both for the old Excel 97-2003 format (.xls) and for the new Excel 2007, Excel 2010 and Excel 2013 (.xlsx, .xlsb, .xlsm), along with Open Office(.ods) format. Load and save documents in the tab delimited file format.
Previously, in The Architecture of Open Source Applications, I described Social Calc, an in-browser spreadsheet system that replaced the server-centric Wiki Calc architecture.
Social Calc performs all of its computations in the browser; it uses the server only for loading and saving spreadsheets.
For the Socialtext team, performance was the primary goal behind Social Calc's design in 2006.
To mitigate this issue, we implemented a snapshot mechanism.
After every 100 commands sent to a room, the server will poll the states from each active client, and save the latest snapshot it receives next to the backlog.
This chapter will discuss the revamped architecture we made for Ether Calc, a successor to Social Calc optimized toward simultaneous editing.A freshly joined client receives the snapshot along with new commands entered after the snapshot was taken, so it only needs to replay 99 commands at most.This workaround solved the CPU issue for new clients, but created a network performance problem of its own, as it taxes each client's upload bandwidth. It allows developers to fast generate, edit Excel files, operate Excel document directly such as save to stream, save as web response, copy, lock/unlock worksheet, set up workbook properties, etc. Easily extract text by saving in plain text format. NET is a professional and powerful Excel component which enables developers/programmers to operate Excel files with their ASP. It supports to operate both for the old Excel 97-2003 format (.xls) and for the new Excel 2007, Excel 2010 and Excel 2013 (.xlsx, .xlsb, .xlsm), along with Open Office(.ods) format. Comprehensive support of the CSV format to interact with a variety of applications. NET has powerful conversion ability and it enables converting Excel files to most common and popular formats.