What is best possible way to protect Excel work book(read only) and work sheets without using
password using SpreadsheetGear dll in c#?
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What is best possible way to protect Excel work book(read only) and work sheets without using
password using SpreadsheetGear dll in c#?
Setting IWorksheet.ProtectContents to true protects a worksheet without attaching a password to it.
SpreadsheetGear 2009 does not support workbook protection / passwords. SpreadsheetGear 2010 does support workbook protection with a new IWorkbook.Protect(…) method, and also supports reading and writing password protected workbooks. We intend to release SpreadsheetGear 2010 this summer.