public IActionResult Index(int Id = -1)
{
ProductionService ps = new ProductionService(_Context);
FactoryService fs = new FactoryService(_Context);
ViewBag.factories = fs.GetAllFactoriesSimple();
List <ProductionViewModel> res = new List <ProductionViewModel>();
if (Id != -1)
{
res = ps.GetallProduction(Id);
}
return(View(res));
}