Use foreach on a two-dimensional array : Foreach : Language Basics C# Source Code

    

/*
C#: The Complete Reference 
by Herbert Schildt 

Publisher: Osborne/McGraw-Hill (March 8, 2002)
ISBN: 0072134852
*/
// Use foreach on a two-dimensional array. 
 
using System; 
 
public class ForeachDemo2 { 
  public static void Main() { 
    int sum = 0; 
    int[,] nums = new int[3,5]; 
 
    // give nums some values 
    for(int i = 0; i < 3; i++)  
      for(int j=0; j < 5; j++) 
        nums[i,j] = (i+1)*(j+1); 
 
    // use foreach to display and sum the values 
    foreach(int x in nums) { 
      Console.WriteLine("Value is: " + x); 
      sum += x; 
    } 
    Console.WriteLine("Summation: " + sum); 
  } 
}