Use foreach on a two-dimensional array. : Foreach : Statement C# Examples

    
using  System;  
  
class  MainClass  {  
    public  static  void  Main()  {  
        int  sum  =  0;  
        int[,]  nums  =  new  int[3,5];  
  
        for(int  i  =  0;  i  <  3;  i++)    
            for(int  j=0;  j  <  5;  j++)  
                nums[i,j]  =  (i+1)*(j+1);  
  
        foreach(int  x  in  nums)  {  
            Console.WriteLine("Value  is:  "  +  x);  
            sum  +=  x;  
        }  
        Console.WriteLine("Summation:  "  +  sum);  
    }  
}