asp.net 局部页面加载

protected void Page_Load(object sender, EventArgs e)
    {
 HtmlControl frame1 = (HtmlControl)this.FindControl("frame1");
 HtmlControl frame2= (HtmlControl)this.FindControl("frame2");
 

    }
    protected void Button1_Click(object sender, EventArgs e)
    {
        frame1.Attributes["src"] = "http://www.sohu.com";

    }

 

 

页面的相应位置插入

<IFRAME id="frame1" src="http://www.163.com" scrolling="auto" runat=server>
</IFRAME>