using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace WindowsFormsApplication1
{
    public partial class Form1 : Form
    {
        private double[,] CreateArray(int m, int n)
        {
            double[,] drr = new double[m, n];
            for (int i = 0; i < m; i++)
            {
                for (int j = 0; j < n; j++)
                {
                    drr[i, j] = i * j - j / 42;
                }
            } return drr;
        }
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {

        }

        int m;
        int n;
        private void button1_Click(object sender, EventArgs e)
        {
            if (!int.TryParse(textBox1.Text, out m) || m < 1)
            {
                MessageBox.Show("Ошибка!!", "Некорректный ввод", MessageBoxButtons.OK, MessageBoxIcon.Warning);
                textBox1.Focus();
               return;
            }

            if (!int.TryParse(textBox2.Text, out n) || n < 1)
            {
                MessageBox.Show("Ошибка!!", "Некорректный ввод", MessageBoxButtons.OK, MessageBoxIcon.Warning);
                textBox1.Focus();
                return;
            }

            dataGridView1.ColumnCount = n;
            dataGridView1.RowCount = m;
            double[,] drr = CreateArray(m, n);
            for (int i = 0; i < m; i++)
            {
                for (int j = 0; j < n; j++)
                {
                    dataGridView1[j, i].Value = drr[i, j].ToString("F3");
                }
            }
        }

        private void dataGridView1_CellContentClick(object sender, DataGridViewCellEventArgs e)
        {


        }
    }
}