public ViewResult GenerateMap(ExcelMetaData stats)
 {
     var model = TempData["metaData"] as ExcelMetaData;
     if (model == null)
         return View("Index");
     return View(model);
 }
        public static ExcelMetaData GetExcelMetaData(Stream ms)
        {
            var doc = new SLDocument(ms);
            var worksheetStats = doc.GetWorksheetStatistics();

            var excelStats = new ExcelMetaData
            {
                RowCount = worksheetStats.NumberOfRows,
                IndexedColumnNames = GetIndexedColumnNames(doc)
            };

            return excelStats;
        }