学步园

protected override void OnInit(EventArgs e)
{

     AddControl()；

}

private void AddControl()
        {
           
            var label = new Label { ID = "myLabel", Text = "test" };
            label.EnableViewState = true;
            var button = new LinkButton { ID = "myButton", Text = "test" };
            button.EnableViewState = true;
            button.Click += button_Click;

            this.Form.Controls.Add(label);
            this.Form.Controls.Add(button);
        }

  protected void button_Click(object sender, EventArgs e)
        {
            var label = (Label)this.Form.FindControl("myLabel");
            label.Text = "test success!";
        }