private void fun2()
{
	const int MAX_RANDOM_VALUE = 200;
	Random random = new Random(DateTime.Now.Millisecond);

	int [,]A;
	A = new int[3,4];

	for(int row = 0; row <= A.GetUpperBound(0); row++)
	{
		for(int column = 0; column <= A.GetUpperBound(1); column++)
		{
			A[row,column] = random.Next(0, MAX_RANDOM_VALUE);
		}
	}

	foreach (int x in A)
	{
		MessageBox.Show(x.ToString());
	}
}