Add dynamic controls in web page.

private void Page_Load(object sender, System.EventArgs e)
    {
           if (!IsPostBack)
               AddDynamicControl();
    }
    protected override void LoadViewState(object savedState)
    {
        base.LoadViewState(savedState);
        AddDynamicControl();
    }
    private void AddDynamicControl()
    {
        Label lblDynamic = new Label();
        lblDynamic.Text = "Dynamic Label";
        lblDynamic.ID = "lblDynamic";

        TextBox txtDynamic = new TextBox();
        txtDynamic.Text = "";
        txtDynamic.ID = "txtDynamic";

        Button btnDynamic = new Button();
        btnDynamic.Text = "Dynamic Button";
        btnDynamic.ID = "btnDynamic";

        btnDynamic.Click += new System.EventHandler(btnDynamic_click);       

        this.form1.Controls.Add(lblDynamic);
        this.form1.Controls.Add(txtDynamic);
        this.form1.Controls.Add(new LiteralControl("<BR>"));
        this.form1.Controls.Add(new LiteralControl("<BR>"));
        this.form1.Controls.Add(btnDynamic);
    }
    private void btnDynamic_click(Object sender, System.EventArgs e)
    {
        Response.Write("dynamic button clicked!!!");
    }