How to Use LINQ in C#.NET

How to Use LINQ in C#.NET with WPF

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;

namespace WPF_USE_LINQ
{
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
        }

        private void btnshowdata_Click(object sender, RoutedEventArgs e)
        {
            //USE OF LINQ 
            int[] number = { 1, 4, 5, 6, 7, 8, 9, 2, 3, 4, 7, 0, 12, 6 };

            listVdata.ItemsSource = from num in number
                                    where num%2==0
                                    select num;
        }
    }
}