public IDet Load(string filename) { ExcelFishDET newDet = new ExcelFishDET(generalDet); newDet.myDet.OpenWorkbook(filename, newDet.LoadRow, newDet.CheckSheetCount, CheckHeaders); generalDet.Id = newDet.myDet.Id; generalDet.Owner = newDet.myDet.Owner; return(generalDet); }