private void btnCancelEditOrder_Click(object sender, RoutedEventArgs e)
{
var oowindow = new OrdersPage();
oowindow.Show();
this.Close();
}
private void btnAddOrder_Click(object sender, RoutedEventArgs e)
{
int osupplierid = Convert.ToInt16(tbxSupplierID.Text);
int oproductid = Convert.ToInt16(tbxProductID.Text);
DateTime odate = Convert.ToDateTime(tbxDateOrdered.SelectedDate);
int oquantity = Convert.ToInt16(tbxQuantityOrdered.Text);
ViewModelLocator.OrderViewModel.AddOrder(osupplierid, oproductid, odate, oquantity);
ViewModelLocator.OrderViewModel.CreateOrderList();
var oowindow = new OrdersPage();
oowindow.Show();
this.Close();
}