c# random generation

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace Test_Game
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
           /* int[][] map = new int[][]
            {
                new int[] { 0,0,0,0,0,0 },
                new int[] { 0,0,0,0,0,0 },
                new int[] { 0,0,0,0,0,0 },
                new int[] { 0,0,0,0,0,0 },
                new int[] { 0,0,0,0,0,0 },
                new int[] { 0,0,0,0,0,0 }
            };
            */
            // CREATE MAP
            int size = new int();
            size = 64;
            int[,] map = new int[size, size];
            int crow = new int();
            int cpos = new int();
            crow = 0;
            cpos = 0;
            for (int i = 0; i < size * size; i++)
            {
                Random rnd = new Random();
                int type = rnd.Next(0, 2);

                map[cpos,crow] = type;
                cpos++;
                if (cpos == size)
                {
                    cpos = 0;
                    crow++;
                }
            }

            int row = new int();
            int pos = new int();
            int curx = new int();
            int cury = new int();
            Boolean temp = new Boolean();
            temp = false;
            row = 0;
            pos = 0;
            curx = 0;
            cury = 0;
            for (int i = 0; i < map.Length; i++)
            {
                if (map[row, pos] == 0)
                {
                    PictureBox tile = new PictureBox();
                    tile.Size = new System.Drawing.Size(64, 64);
                    if (temp == false)
                    {
                        tile.BackColor = Color.Magenta;
                        temp = true;
                    }
                    else
                    {
                        tile.BackColor = Color.Black;
                        temp = false;
                    }
                    tile.Visible = true;
                    tile.Location = new Point(curx, cury);
                    this.Controls.Add(tile);
                    curx = curx + 64;

                }
                if (map[row, pos] == 1)
                {
                    PictureBox tile = new PictureBox();
                    tile.Size = new System.Drawing.Size(64, 64);
                    if (temp == false)
                    {
                        tile.BackColor = Color.Magenta;
                        temp = true;
                    }
                    else
                    {
                        tile.BackColor = Color.Blue;
                        temp = false;
                    }
                    tile.Visible = true;
                    tile.Location = new Point(curx, cury);
                    this.Controls.Add(tile);
                    curx = curx + 64;

                }
                pos++;
                if (pos == size)
                {
                    pos = 0;
                    curx = 0;
                    row++;
                    cury = cury + 64;
                    if (temp == true)
                    {
                        temp = false;
                    } else
                    {
                        temp = true;
                    }
                }
            }



            /*     CREATE A PICTUREBOX
            PictureBox Player = new PictureBox();
            Player.Size = new System.Drawing.Size(64, 64);
            Player.BackColor = Color.Red;
            Player.Visible = true;
            Player.Location = new Point((this.Width / 2) - Player.Width / 2,(this.Height / 2) - Player.Height / 2);
            this.Controls.Add(Player);
            */
    }
    }
}