class Program
    {
        static void Main(string[] args)
        {
            GetSheetInfo(@"..\..\Documents\Sheet4.xlsx");
        }
        public static void GetSheetInfo(string fileName)
        {
            // Open file as read-only.
            using (SpreadsheetDocument mySpreadsheet = SpreadsheetDocument.Open(fileName, false))
            {
                S sheets = mySpreadsheet.WorkbookPart.Workbook.Sheets;

                // For each sheet, display the sheet information.
                foreach (E sheet in sheets)
                {
                    foreach (A attr in sheet.GetAttributes())
                    {
                        Console.WriteLine("{0}: {1}", attr.LocalName, attr.Value);
                    }
                }
            }
            Console.ReadLine();
        }
    }

class Program
    {
        static void Main(string[] args)
        {
            GetSheetInfo(@"..\..\Documents\Sheet4.xlsx");
        }
        private static void GetSheetInfo(string fileName)
        {
            //Initialize a new Workboook object
            Workbook workbook = new Workbook();

            //Load the document
            workbook.LoadFromFile(fileName);
           
            //Loop through all Sheets in the workbook
            foreach (Worksheet Sheet in workbook.Worksheets)
            {
                //Get Name,ID and Index of Sheet
                Console.WriteLine("Sheet Name: {0}", Sheet.Name);
                Console.WriteLine("Sheet Index: {0}", Sheet.Index);
                Console.WriteLine("Sheet ID: {0}", Sheet.SheetId);
                Console.ReadKey();
            }
        }
    }