C# Dynamically generated DataGridView example

Program.cs

using System.Data;
using System.Windows.Forms;

namespace RuyutWinFormsApp
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();

            DataGridView dataGridView = new DataGridView();
            dataGridView.Dock = DockStyle.Fill; // 填滿視窗
            dataGridView.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.Fill;
            this.Controls.Add(dataGridView); // 新增到當前的 Form 中


            DataTable dataTable = new DataTable();
            dataTable.Columns.Add("id", typeof(int));
            dataTable.Columns.Add("name", typeof(string));
            dataGridView.DataSource = dataTable;

            for (int i = 0; i < 10; i++)
            {
                DataRow row = dataTable.NewRow();
                row[0] = i;
                row[1] = "name" + i;
                dataTable.Rows.Add(row);
            }
        }
    }
}