May I ask how to update orders status with Sitecore Commerce 8 powered by Commerce Server. Or in sitecore 7.2 if possible.
Based on the class Sitecore.Commerce.Connect.CommerceServer.Orders.Models.CommerceOrder class, we tried to save StatusCode as "InProcess" but it was not updated.
CartServiceProvider provider = new CartServiceProvider();
var orderRequest = new SubmitVisitorOrderRequest(buyCart);
var orderResult = orderService.SubmitVisitorOrder(orderRequest);
var order = orderResult.Order as CommerceOrder;
order.StatusCode = "InProcess";
provider.SaveCart(new SaveCartRequest(order));