Exercise - Creating a Simple Screen Result

The showOrderDetails class should look like :

using System;
using System.Collections.Generic;
using System.Text;
using System.Drawing;
using Firefly.Box;
using ENV;
using ENV.Data;

namespace Northwind.Exercises
{
    public class ShowOrderDetails : UIControllerBase
    {

        public readonly Models.Order_Details Order_Details = new Models.Order_Details();
        public readonly Models.Products Products = new Models.Products();

        public ShowOrderDetails()
        {
            From = Order_Details;
            Where.Add(Order_Details.UnitPrice.IsGreaterOrEqualTo(20));
            OrderBy.Add(Order_Details.OrderID, SortDirection.Descending);
            Relations.Add(Products, RelationType.Find,
                Products.ProductsID.IsEqualTo(Order_Details.ProductsID));
        }

        public void Run()
        {
            Execute();
        }

        protected override void OnLoad()
        {
            View = () => new Views.ShowOrderDetailsView(this);
        }
    }
} 

The ShowOrderDetails screen should look like :

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