public AddPurchaseView(string animationName, TabHelper hlp)
{
InitializeComponent();
Thread.CurrentThread.CurrentCulture = new CultureInfo("fr-FR");
Thread.CurrentThread.CurrentUICulture = new CultureInfo("fr-FR");
_tabHlp = hlp;
_productsSelSelected = new List<ProduitsSel>();
//produit = new Products();
_productManger = new ProductManger();
_tvaClient = new TvaClient();
TvaComboBox.ItemsSource = _tvaClient.GetTvaValues();
_suppliersManager = new SuppliersManager();
_productManger.ResetUnitsOnOrder();
_productSelected = new List<Product>();
if (string.IsNullOrEmpty(animationName)) return;
var animation = (Storyboard) Application.Current.Resources[animationName];
LayoutRoot.BeginStoryboard(animation);
}