public Form1()

        {

            InitializeComponent();

            button1.Click += new EventHandler(button_Click);

            button2.Click += new EventHandler(button_Click);

            button3.Click += new EventHandler(button_Click);

        }

        private void button_Click(object sender, EventArgs e)

        {

            Button tempButton = sender as Button;

            if (tempButton != null)

                MessageBox.Show(tempButton.Text);

        } 

/*生成Button的代码*/

for(var i=; i<; i++){

    Button dynamicBtn = new Button();

    dynamicBtn.Text = string.Format("这是第{0}个按钮", i);

    dynamicBtn.Tag = i;

    dynamicBtn.Click += new EventHandler(DynamicButtonClick);

    Panel1.Controls.Add(dynamicBtn)

}

/*事件处理函数*/

private void DynamicButtonClick(object sender, EventArgs e){

    Button currentBtn = sender as Button;

    MessageBox.Show(currentBtn.Tag.ToString(), "按钮编号");

}