在创建新记录时向DataGridView列添加值

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

public class MainForm : Form
{
    private DataGridView dataGridView;
    private DataTable dataTable;

    public MainForm()
    {
        InitializeComponent();
    }

    private void InitializeComponent()
    {
        this.dataGridView = new DataGridView();
        this.dataTable = new DataTable();

        // 创建DataTable的列
        this.dataTable.Columns.Add("ID", typeof(int));
        this.dataTable.Columns.Add("Name", typeof(string));
        this.dataTable.Columns.Add("Age", typeof(int));

        // 设置DataGridView的数据源
        this.dataGridView.DataSource = this.dataTable;

        // 添加按钮用于创建新记录
        Button addButton = new Button();
        addButton.Text = "Add Record";
        addButton.Click += new EventHandler(AddButton_Click);

        // 将控件添加到窗体
        this.Controls.Add(this.dataGridView);
        this.Controls.Add(addButton);
    }

    private void AddButton_Click(object sender, EventArgs e)
    {
        // 创建新行
        DataRow newRow = this.dataTable.NewRow();
        newRow["ID"] = this.dataTable.Rows.Count + 1;
        newRow["Name"] = "New User";
        newRow["Age"] = 30;

        // 将新行添加到DataTable
        this.dataTable.Rows.Add(newRow);

        // DataGridView会自动更新显示新行
    }

    [STAThread]
    static void Main()
    {
        Application.EnableVisualStyles();
        Application.SetCompatibleTextRenderingDefault(false);
        Application.Run(new MainForm());
    }
}