Excel offers no such constraint. If someone is determined to enter bad data, they can simply paste values over a validated ...

Jspreadsheet CE is an extensible framework for building sophisticated data-oriented interfaces with Excel-like controls. By bringing familiar spreadsheet features to your application, you can ...

Abstract: The main problem faced by business companies or institutions today is too much information that is in circulation and cannot be properly processed. On the other hand, the process of sorting ...