Unlock Sheet in Excel File in C#, VB.NET

namespace UnlockExcelSheet
{
    class Program
    {
        static void Main(string[] args)
        {
            //initialize an instance of Workbook
            Workbook workbook = new Workbook();
            //Load an Excel file with protected worksheet
            workbook.LoadFromFile(@"..\Unlock Excel Worksheet.xlsx");
            //get the first worksheet
            Worksheet sheet = workbook.Worksheets[0];
            //Unprotect worksheet
            sheet.Unprotect("iceblue");
            //Save the file
            workbook.SaveToFile("Sample.xlsx",ExcelVersion.Version2010);
            //Launch the file
            System.Diagnostics.Process.Start("Sample.xlsx");
        }
    }
}
          

Namespace UnlockExcelSheet
	Class Program
		Private Shared Sub Main(args As String())
			'initialize an instance of Workbook
			Dim workbook As New Workbook()
			'Load an Excel file with protected worksheet
			workbook.LoadFromFile("..\Unlock Excel Worksheet.xlsx")
			'get the first worksheet
			Dim sheet As Worksheet = workbook.Worksheets(0)
			'Unprotect worksheet
			sheet.Unprotect("iceblue")
			'Save the file
			workbook.SaveToFile("Sample.xlsx",ExcelVersion.Version2010)
			'Launch the file
			System.Diagnostics.Process.Start("Sample.xlsx")
		End Sub
	End Class
End Namespace