public partial class MainWindow : Window
    {
        private int[] buffrerReadByte = new int [64];
        public MainWindow()
        {
            InitializeComponent();

            Random r = new Random();

            for (int i = 0; i < buffrerReadByte.Length; i++)
            {
                buffrerReadByte[i] = r.Next(0, 255);
            }

            List<NameCollum> byteList = new List<NameCollum>
            {
                new NameCollum { С1 = 1, C2 = 2, С3 = 3, C4 = 4, С5 = 5, C6 = 6, С7 = 7, C8 = 8 },
            };
            nameDataGrid.ItemsSource = byteList;
        }
    }

    public class NameCollum
    {
        public int С1 { get; set; }
        public int C2 { get; set; }
        public int С3 { get; set; }
        public int C4 { get; set; }
        public int С5 { get; set; }
        public int C6 { get; set; }
        public int С7 { get; set; }
        public int C8 { get; set; }
    }