熊仔的部落格

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
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            this.button1.Click +=new EventHandler(button1_Click);
           
            //使用ComboBox加入數字1~9

            for (int i = 1; i <= 9; i++)
            {
                comboBox1.Items.Add(i);
                comboBox2.Items.Add(i);
                //讓起始值固定在數字1，
                comboBox1.SelectedIndex = 0;
                comboBox2.SelectedIndex = 0;
            }
        }
        void button1_Click(object sender, EventArgs e)
        {
            DataTable dt = new DataTable();
            
            //加入column欄位

            dt.Columns.Add("Columns1", typeof(int));
            dt.Columns.Add("Columns2", typeof(int));
            dt.Columns.Add("Columns3", typeof(int));
            
            //DataTable資料來源為dt
            
dataGridView1.DataSource = dt;

            //使用迴圈將數字輸入到DataGridView

            for (int i = 1; i <= int.Parse(comboBox1.Text); i++)

            {

                for (int j = 1; j <= int.Parse(comboBox2.Text); j++)

                {

                    DataRow row;

                    row = dt.NewRow();
                    row["Columns1"] = i;
                    row["Columns2"] =j;
                    row["Columns3"] = i*j;
                    dt.Rows.Add(row);
                }

            }
        }
    }
}