private void Max_Click(object sender, EventArgs e)
{
  int[,] a = new int[4, 3] { { 1, 2, 3 }, { 7, 8, 9 }, { 100, 6, 70 }, { 7, 9, 11 } };
  int max = a[0, 0];
  int li = 0, lj = 0;
  for (int i = 0; i < 4; i++)
    for (int j = 0; j < 3; j++)
    {
       if (max < a[i, j])
       {
           max = a[i, j];
           li = i;
           lj = j;
        }
        axMSFlexGrid1.Row = i;
        axMSFlexGrid1.Col = j;
       axMSFlexGrid1.Text = a[i, j].ToString();
      }
    label1.Text = "Max is a[" + li.ToString() + "," + lj.ToString() + "] = " + max.ToString();
 }  
