How to protect a cell?

Aspose.Cells Product Family
1

I see the IsLocked property. How do I make the worksheet protected?

2

Please refer to http://www.aspose.com/Products/Aspose.Excel/Guide/Protection.html. You can use the Worksheet.Protect method or Worksheet.Protection property to protect a worksheet.

3

@jeljeljel,
Aspose.Excel is discontinued and no more development is done for it here at Aspose. A new product Aspose.Cells is launched which is more efficient and supports all the latest features of MS Excel. A worksheet can be protected using this new product also as shown in the following sample code:

// Creating a file stream containing the Excel file to be opened
FileStream fstream = new FileStream(dataDir + "book1.xls", FileMode.Open);

// Instantiating a Workbook object
// Opening the Excel file through the file stream
Workbook excel = new Workbook(fstream);

// Accessing the first worksheet in the Excel file
Worksheet worksheet = excel.Worksheets[0];

// Protecting the worksheet with a password
worksheet.Protect(ProtectionType.All, "aspose", null);

// Saving the modified Excel file in default format
excel.Save(dataDir + "output.out.xls", SaveFormat.Excel97To2003);

// Closing the file stream to free all resources
fstream.Close();

Here is a detailed article which describes the worksheet protection in detail:
Protecting Worksheets

The latest version of the product can be downloaded here for trials:
Aspose.Cells for .NET (Latest Version)

A runnable solution is available here that can be used to test the variety of features of this new product.