问题 How do I get sheet name from Excel and add them to my comboBox list? I can't seem to add it in my code as it is in public static public static DataTable ExcelToDataTable (string fileName) { using (var stream = File.Open(fileName, FileMode.Open, FileAccess.Read)) { using (var reader = ExcelReaderFactory.CreateReader(stream)) { var result = reader.AsDataSet(new ExcelDataSetConfiguration() { UseColumnDataType = true, ConfigureDataTable = (data) => new ExcelDataTableConfiguration() { UseHeaderRow