动态产生的Button、ImageButton怎么与服务器的过程关联

动态产生的Button、ImageButton如何与服务器的过程关联
Dim   btn   As   New   Button
查看btn，发现其没有OnClick属性，只有OnClientClick属性，那么点击它之后，如何执行服务器的过程呢？

------解决方案--------------------------------------------------------
protected void Page_Load(object sender, EventArgs e)
{
int n = 10;
double E = Math.E;
double x = 2;
double p1 = Math.Pow(E, x);
double p2 = 1;
for (int i = 1; i <= n; i++)
{
p2 += Math.Pow(x,i) / factorial(i);
}
Label1.Text = p1.ToString() + " " + p2.ToString();

string str = Request.MapPath( "mhub_pdf ");

Button Button1 = new Button();
Button1.Click += new EventHandler(Button1_Click);
Button1.Text = "button ";
td1.Controls.Add(Button1);
}

protected void Button1_Click(object sender, EventArgs e)
{

}

C#语法的，翻译过来吧
------解决方案--------------------------------------------------------
addhandle bt.click addressof bt_click