private void Button_Click(object sender, RoutedEventArgs e) { TestMobileSMARTContext db = new TestMobileSMARTContext(); Product product = new Product() { Barcode = barCodeItemInput.Text, Name = nameProductItemInput.Text, Unit = quantityProductItemInput.Text, Describe = describeProductItemInput.Text, }; db.Products.Add(product); db.SaveChanges(); barCodeItemInput.Clear(); nameProductItemInput.Clear(); quantityProductItemInput.Clear(); describeProductItemInput.Clear(); }