Cafe/Cafe2/ElementsWindows/DishWindow.xaml.cs

using System.Linq;
using System.Windows;
using Cafe.AddWindows;

namespace Cafe.ElementsWindows
{
    public partial class DishWindow : Window
    {
        public DishWindow(int id)
        {
            InitializeComponent();

            Dishes dish = Connection.db.Dishes.Where(item => item.ID == id).FirstOrDefault();

            Name.Content = dish.Name;

            Price.Content = dish.Price;

            Description.Content = dish.Description;

            Picture.Source = ImagesManip.NewImage(dish);
        }

        private void BackButtonClick(object sender, RoutedEventArgs e)
        {
            AddOrderWindow addOrderWindow = new AddOrderWindow();
            addOrderWindow.Show();
            this.Close();
        }
    }
}