using DocumentFormat.OpenXml.Packaging;
using DocumentFormat.OpenXml.Spreadsheet;
public static void Main()
Console.WriteLine("Hello World");
public Worksheet GetFirstWorksheet()
WorkbookPart workbookPart = Document.WorkbookPart;
Workbook workbook = workbookPart?.Workbook;
Sheets sheets = workbook.GetFirstChild<Sheets>();
Sheet sheet = sheets?.Elements<Sheet>().FirstOrDefault();
if (sheet != null && sheet.Id?.Value != null)
return ((WorksheetPart)workbookPart!.GetPartById(sheet.Id!)).Worksheet;
public static class Document
public static WorkbookPart WorkbookPart;