public void AddAll(Images img, List <Product> pList, List <Company> cList, List <Connect1> c1List, List <Connect2> c2List, List <Connect3> c3List) { ImageManager iManager = new ImageManager(); CompanyManager cManager = new CompanyManager(); ProductManager pManager = new ProductManager(); Connect1Manager c1Manager = new Connect1Manager(); Connect2Manager c2Manager = new Connect2Manager(); Connect3Manager c3Manager = new Connect3Manager(); iManager.AddImage(img); for (int i = 0; i < pList.Count; i++) { pManager.AddProduct(pList[i]); } for (int i = 0; i < pList.Count; i++) { cManager.AddCompany(cList[i]); } c1Manager.AddConnect1(c1List); c2Manager.AddConnect2(c2List); c3Manager.AddConnect3(c3List); }