private void SetSelectedProductGrid()
 {
     if (CrudOrder.Selected == null)
     {
         pGrid.InitialiseProductInfoGrid();
     }
     else
     {
         pGrid.Focus = CrudProduct.Selected;
     }
 }
        private void InitialiseValues()
        {
            pGrid.InitialiseProductInfoGrid();
            button_review.IsEnabled = false;

            if (CrudUser.Selected.AccountType == 0)
            {
                button_configure_product.IsEnabled  = true;
                button_configure_product.Visibility = Visibility.Visible;
                button_order_product.IsEnabled      = false;
                button_order_product.Visibility     = Visibility.Hidden;
            }
            else if (CrudUser.Selected.AccountType == 1)
            {
                button_configure_product.IsEnabled  = false;
                button_configure_product.Visibility = Visibility.Hidden;
                button_order_product.IsEnabled      = true;
                button_order_product.Visibility     = Visibility.Visible;
            }
        }