DocumentFormat.OpenXml.Spreadsheet while copying from existing excel apply validation if existing excel has hyperlinks and datavalidation download file not opened

Question

string MyFile = @"C:\Users\Desktop\temp\sample.xlsm";
using (SpreadsheetDocument myDoc = SpreadsheetDocument.Open(MyFile, true))
{
WorkbookPart wbPart = myDoc.WorkbookPart;
Hyperlinks hyperlinks1 = new Hyperlinks();
//var sheetData = new DocumentFormat.OpenXml.Spreadsheet.SheetData();
WorksheetPart worksheetPart = GetWorksheetPartByName(myDoc, "Test");

            DataValidations dataValidations = new DataValidations();  
            DataValidation dataValidation = new DataValidation()  
            {  
                Type = DataValidationValues.List,  
                AllowBlank = true,  
                SequenceOfReferences = new ListValue<StringValue>() { InnerText = "A1:A1048576" }  
            };  
            Formula1 formula = new Formula1();  
            formula.Text = "\"FirstChoice,SecondChoice,ThirdChoice\"";  

            dataValidation.Append(formula);  
            dataValidations.Append(dataValidation);  

            //insert the dataValidations to the correct place  
            worksheetPart.Worksheet.InsertBefore(dataValidations, worksheetPart.Worksheet.Descendants<PageMargins>().FirstOrDefault());  
        }  
        Console.WriteLine("File Saved to " + MyFile);