Как пропустить пустые строки из данных этого листа?
using (SpreadsheetDocument spreadSheetDocument = SpreadsheetDocument.Open(file, false))
{
WorkbookPart workbookPart = spreadSheetDocument.WorkbookPart;
IEnumerable<Sheet> sheets = spreadSheetDocument.WorkbookPart.Workbook.GetFirstChild<Sheets>().Elements<Sheet>();
var relationshipId = sheets.FirstOrDefault(s => s.Name.Value.ToLower() == SheetName.ToLower()).Id.Value;
WorksheetPart worksheetPart = (WorksheetPart)spreadSheetDocument.WorkbookPart.GetPartById(relationshipId);
Worksheet workSheet = worksheetPart.Worksheet;
SheetData sheetData = workSheet.GetFirstChild<SheetData>();
IEnumerable<Row> rows = sheetData.Descendants<Row>();
}