Excel upload base on koogra project NuGet Package

Convert Excel file to filled List<T>

using ExcelUpload;
using ExcelUpload.Abstract;

[HttpPost]
public ActionResult Upload(HttpPostedFileBase file) {

List<IPTable> PTableList = new List<IPTable>();
PTableList.Add(new PTable<Sedan>());
PTableList.Add(new PTable<Order>());
ExcellReader er = new ExcellReader();
er.ReadExcelContent(file, PTableList);
List<Sedan> Sedans = (List<Sedan>)PTableList[0].GetDataList;
List<Order> Orders = (List<Order>)PTableList[1].GetDataList;
...
.