c# - Cell Values Incorrect - OpenXML Excel -

i trying read excel values in .xlsm - code below. problem i'm having values displayed wrong, nothing @ similar.

using (spreadsheetdocument spreadsheetdocument = spreadsheetdocument.open(filename, false))         {             workbookpart workbookpart = spreadsheetdocument.workbookpart;             sheet sheet = workbookpart.workbook.sheets.elements<sheet>().first(s => s.name.hasvalue && s.name.value == "y1 dose history");             worksheetpart worksheetpart = (worksheetpart)workbookpart.getpartbyid(sheet.id);             //sheetdata data = worksheetpart.worksheet.elements<sheetdata>().first(); neither line nor next work             sheetdata data = worksheetpart.worksheet.getfirstchild<sheetdata>();              string text;             foreach (row row in data.elements<row>())             {                 text = null;                 foreach (cell cell in row.elements<cell>())                 {                     if (cell.cellvalue != null)                     {                         text = text + " " + cell.cellvalue.innerxml.tostring();                     }                 }                 console.writeline(text);             }             console.readline();         } 

the result when should getting