public static int AddStock(LTS.Stock stock) { int?StockID = -1; try { using (LTS.LTSBase access = new LTS.LTSDC()) { access.InsertStock(stock.Make, stock.Model, stock.Price, stock.VehicleStatus, stock.VehicleYear, stock.VIN, ref StockID); } } catch (Exception ex) { } return(StockID.Value); }