public static DataTable TranslateToTable(string filePath, string sheetName)
        {
            ImportXlsUtil utils = new ImportXlsUtil(filePath);

            return(utils.toDataTable(sheetName));
        }
        public static DataTable TranslateToTable(Stream stream, int sheetIndex)
        {
            ImportXlsUtil utils = new ImportXlsUtil(stream);

            return(utils.toDataTable(sheetIndex));
        }
        public static DataTable TranslateToTable(Stream stream)
        {
            ImportXlsUtil utils = new ImportXlsUtil(stream);

            return(utils.toDataTable(0));
        }
        public static DataTable TranslateToTable(Stream stream, string sheetName)
        {
            ImportXlsUtil utils = new ImportXlsUtil(stream);

            return(utils.toDataTable(sheetName));
        }