Worksheet.Unprotect

Unprotect()

Unprotects worksheet.

public void Unprotect()

Remarks

This method unprotects worksheet which is protected without password.

Examples

namespace AsposeCellsExamples
{
    using Aspose.Cells;
    using System;

    public class WorksheetMethodUnprotectDemo
    {
        public static void Run()
        {
            // Create a new workbook
            Workbook workbook = new Workbook();
            Worksheet worksheet = workbook.Worksheets[0];
            
            // Protect the worksheet with a password
            worksheet.Protect(ProtectionType.All, "password123", null);
            Console.WriteLine("Worksheet is protected: " + worksheet.IsProtected);
            
            try
            {
                // Unprotect the worksheet without password (should fail)
                worksheet.Unprotect();
                Console.WriteLine("Worksheet unprotected without password: " + !worksheet.IsProtected);
            }
            catch (Exception ex)
            {
                Console.WriteLine("Error when trying to unprotect without password: " + ex.Message);
            }

            try
            {
                // Unprotect the worksheet with wrong password (should fail)
                worksheet.Unprotect("wrongpassword");
                Console.WriteLine("Worksheet unprotected with wrong password: " + !worksheet.IsProtected);
            }
            catch (Exception ex)
            {
                Console.WriteLine("Error when trying to unprotect with wrong password: " + ex.Message);
            }

            try
            {
                // Unprotect the worksheet with correct password
                worksheet.Unprotect("password123");
                Console.WriteLine("Worksheet successfully unprotected: " + !worksheet.IsProtected);
            }
            catch (Exception ex)
            {
                Console.WriteLine("Error when trying to unprotect: " + ex.Message);
            }
            
            // Save the result
            workbook.Save("WorksheetMethodUnprotectDemo.xlsx");
        }
    }
}

See Also

Unprotect(string)

Unprotects worksheet.

public void Unprotect(string password)
ParameterTypeDescription
passwordStringPassword

Remarks

If the worksheet is protected without a password, you can set a null value or blank string to password parameter.

Examples

using System;
using Aspose.Cells;

namespace AsposeCellsExamples
{
    public class WorksheetMethodUnprotectWithStringDemo
    {
        public static void Run()
        {
            // Create a new workbook
            Workbook workbook = new Workbook();
            
            // Access the first worksheet
            Worksheet worksheet = workbook.Worksheets[0];
            
            // Protect the worksheet with password and default protection type
            worksheet.Protect(ProtectionType.All, "test", null);
            
            // Unprotect the worksheet with password
            worksheet.Unprotect("test");
            
            // Save the workbook
            workbook.Save("output.xlsx");
        }
    }
}

See Also