protected void Page_Load(object sender, EventArgs e)
{
Button btn = new Button();
btn.ID = "newBtn";
btn.BackColor = Color.Red;
btn.Text = "Buton";
PlaceHolder1.Controls.Add(btn);
}
Button btnBul = (Button)Page.FindControl("newBtn");
btn.Click = new EventHandler(btn_Clicked);
void btn_Clicked(object sender, EventArgs e)
{
Label1.Text = "Butona basıldı.";
}