public void UpdateOrderUsingSTE(Model.STE.Order order)
 {
     using (var ctx = new OrderIT.Model.STE.OrderITEntities())
     {
         ctx.Orders.ApplyChanges(order);
         ctx.SaveChanges();
     }
 }
 /*IOrderService Interface*/
 public int CreateOrderUsingSTE(Model.STE.Order order)
 {
     using (var ctx = new OrderIT.Model.STE.OrderITEntities())
     {
         ctx.Orders.ApplyChanges(order);
         ctx.SaveChanges();
         return(order.OrderId);
     }
 }