using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

namespace Chapter8LINQMultiply

{

class Program

{

static void Main(string[] args)

{

int x1 = 1;

int y1 = 0;

int arraysize = 8;

int start = 1;

int end = arraysize;

int[,] array = new int[arraysize, arraysize];

int[] numbers = Enumerable.Range(start, end - start).ToArray();

// creates the multiplied list numbers

var multiplied = numbers.SelectMany(

x => numbers,

(x, y) => x * y);

//converts the multiplied list of n into an array

int rc = arraysize;

for (rc = 1; rc < arraysize ; rc++)

{

array[rc, 0] = rc;

array[0, rc] = rc;

}

//Convert the multiplied list to a 2D array for multiplication table

foreach (int n in multiplied)

{

y1++;

if (y1 > (arraysize-1))

{

y1 = 1;

x1++;

}

array[x1, y1] = n;

}

//prints the array of numbers

int xf;

int yf;

int sf;

for (xf = 0; xf < arraysize; xf++)

{

for (yf = 0; yf < arraysize; yf++)

{

sf = array[xf,yf];

Console.Write(sf.ToString("000")+" ");

}

Console.WriteLine();

}

Console.ReadKey();

}

}

}

Output

000 001 002 003 004 005 006 007

001 001 002 003 004 005 006 007

002 002 004 006 008 010 012 014

003 003 006 009 012 015 018 021

004 004 008 012 016 020 024 028

005 005 010 015 020 025 030 035

006 006 012 018 024 030 036 042

007 007 014 021 028 035 042 049